Finding the Third Proportional to 647,674,555.50 and 947,221,114.50

Step by Step Solution

1. Step 1: Write the proportion equation
   647,674,555.50 : 947,221,114.50 = 947,221,114.50 : x
2. Step 2: Convert to fraction form
   647,674,555.50/947,221,114.50 = 947,221,114.50/x
3. Step 3: Cross multiply
   647,674,555.50x = 947,221,114.50 × 947,221,114.50
4. Step 4: Simplify right side
   647,674,555.50x = 897,227,839,754,622,080
5. Step 5: Solve for x
   x = 897,227,839,754,622,080/647,674,555.50
6. Step 6: Final answer
   x = 1,385,306,605.20