Finding the Third Proportional to 723,742 and 1,543,664

Step by Step Solution

1. Step 1: Write the proportion equation
   723,742 : 1,543,664 = 1,543,664 : x
2. Step 2: Convert to fraction form
   723,742/1,543,664 = 1,543,664/x
3. Step 3: Cross multiply
   723,742x = 1,543,664 × 1,543,664
4. Step 4: Simplify right side
   723,742x = 2,382,898,544,896
5. Step 5: Solve for x
   x = 2,382,898,544,896/723,742
6. Step 6: Final answer
   x = 3,292,469.62