Finding the Third Proportional to 639,153,059.50 and 1,375,382,675

Step by Step Solution

1. Step 1: Write the proportion equation
   639,153,059.50 : 1,375,382,675 = 1,375,382,675 : x
2. Step 2: Convert to fraction form
   639,153,059.50/1,375,382,675 = 1,375,382,675/x
3. Step 3: Cross multiply
   639,153,059.50x = 1,375,382,675 × 1,375,382,675
4. Step 4: Simplify right side
   639,153,059.50x = 1,891,677,502,690,155,520
5. Step 5: Solve for x
   x = 1,891,677,502,690,155,520/639,153,059.50
6. Step 6: Final answer
   x = 2,959,662,751.47