Finding the Third Proportional to 734,643 and 1,123,713

Step by Step Solution

1. Step 1: Write the proportion equation
   734,643 : 1,123,713 = 1,123,713 : x
2. Step 2: Convert to fraction form
   734,643/1,123,713 = 1,123,713/x
3. Step 3: Cross multiply
   734,643x = 1,123,713 × 1,123,713
4. Step 4: Simplify right side
   734,643x = 1,262,730,906,369
5. Step 5: Solve for x
   x = 1,262,730,906,369/734,643
6. Step 6: Final answer
   x = 1,718,836.10