Finding the Third Proportional to 31,515,522 and 67,739,088

Step by Step Solution

1. Step 1: Write the proportion equation
   31,515,522 : 67,739,088 = 67,739,088 : x
2. Step 2: Convert to fraction form
   31,515,522/67,739,088 = 67,739,088/x
3. Step 3: Cross multiply
   31,515,522x = 67,739,088 × 67,739,088
4. Step 4: Simplify right side
   31,515,522x = 4,588,584,043,071,744
5. Step 5: Solve for x
   x = 4,588,584,043,071,744/31,515,522
6. Step 6: Final answer
   x = 145,597,589.76