Finding the Third Proportional to 723,840 and 1,513,664

Step by Step Solution

1. Step 1: Write the proportion equation
   723,840 : 1,513,664 = 1,513,664 : x
2. Step 2: Convert to fraction form
   723,840/1,513,664 = 1,513,664/x
3. Step 3: Cross multiply
   723,840x = 1,513,664 × 1,513,664
4. Step 4: Simplify right side
   723,840x = 2,291,178,704,896
5. Step 5: Solve for x
   x = 2,291,178,704,896/723,840
6. Step 6: Final answer
   x = 3,165,310.99