Finding the Third Proportional to 132,050,840 and 289,610,820

Step by Step Solution

1. Step 1: Write the proportion equation
   132,050,840 : 289,610,820 = 289,610,820 : x
2. Step 2: Convert to fraction form
   132,050,840/289,610,820 = 289,610,820/x
3. Step 3: Cross multiply
   132,050,840x = 289,610,820 × 289,610,820
4. Step 4: Simplify right side
   132,050,840x = 83,874,427,061,072,400
5. Step 5: Solve for x
   x = 83,874,427,061,072,400/132,050,840
6. Step 6: Final answer
   x = 635,167,690.42