Finding the Third Proportional to 866,107,137 and 2,020,986,457.50

Step by Step Solution

1. Step 1: Write the proportion equation
   866,107,137 : 2,020,986,457.50 = 2,020,986,457.50 : x
2. Step 2: Convert to fraction form
   866,107,137/2,020,986,457.50 = 2,020,986,457.50/x
3. Step 3: Cross multiply
   866,107,137x = 2,020,986,457.50 × 2,020,986,457.50
4. Step 4: Simplify right side
   866,107,137x = 4,084,386,261,398,399,488
5. Step 5: Solve for x
   x = 4,084,386,261,398,399,488/866,107,137
6. Step 6: Final answer
   x = 4,715,797,950.29