Finding the Third Proportional to 647,754,750 and 1,398,726,300

Step by Step Solution

1. Step 1: Write the proportion equation
   647,754,750 : 1,398,726,300 = 1,398,726,300 : x
2. Step 2: Convert to fraction form
   647,754,750/1,398,726,300 = 1,398,726,300/x
3. Step 3: Cross multiply
   647,754,750x = 1,398,726,300 × 1,398,726,300
4. Step 4: Simplify right side
   647,754,750x = 1,956,435,262,311,689,984
5. Step 5: Solve for x
   x = 1,956,435,262,311,689,984/647,754,750
6. Step 6: Final answer
   x = 3,020,333,331.88