Finding the Third Proportional to 654,328,599,978.15 and 1,431,918,365,059.30

Step by Step Solution

1. Step 1: Write the proportion equation
   654,328,599,978.15 : 1,431,918,365,059.30 = 1,431,918,365,059.30 : x
2. Step 2: Convert to fraction form
   654,328,599,978.15/1,431,918,365,059.30 = 1,431,918,365,059.30/x
3. Step 3: Cross multiply
   654,328,599,978.15x = 1,431,918,365,059.30 × 1,431,918,365,059.30
4. Step 4: Simplify right side
   654,328,599,978.15x = 2,050,390,204,194,099,004,702,720
5. Step 5: Solve for x
   x = 2,050,390,204,194,099,004,702,720/654,328,599,978.15
6. Step 6: Final answer
   x = 3,133,578,761,898.18