Finding the Third Proportional to 639,153,061 and 1,375,382,677

Step by Step Solution

1. Step 1: Write the proportion equation
   639,153,061 : 1,375,382,677 = 1,375,382,677 : x
2. Step 2: Convert to fraction form
   639,153,061/1,375,382,677 = 1,375,382,677/x
3. Step 3: Cross multiply
   639,153,061x = 1,375,382,677 × 1,375,382,677
4. Step 4: Simplify right side
   639,153,061x = 1,891,677,508,191,686,400
5. Step 5: Solve for x
   x = 1,891,677,508,191,686,400/639,153,061
6. Step 6: Final answer
   x = 2,959,662,753.13