Finding the Third Proportional to 1,071,915,447 and 1,639,406,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,915,447 : 1,639,406,308.50 = 1,639,406,308.50 : x
2. Step 2: Convert to fraction form
   1,071,915,447/1,639,406,308.50 = 1,639,406,308.50/x
3. Step 3: Cross multiply
   1,071,915,447x = 1,639,406,308.50 × 1,639,406,308.50
4. Step 4: Simplify right side
   1,071,915,447x = 2,687,653,044,349,597,184
5. Step 5: Solve for x
   x = 2,687,653,044,349,597,184/1,071,915,447
6. Step 6: Final answer
   x = 2,507,336,797.76