Finding the Third Proportional to 723,988 and 1,558,448

Step by Step Solution

1. Step 1: Write the proportion equation
   723,988 : 1,558,448 = 1,558,448 : x
2. Step 2: Convert to fraction form
   723,988/1,558,448 = 1,558,448/x
3. Step 3: Cross multiply
   723,988x = 1,558,448 × 1,558,448
4. Step 4: Simplify right side
   723,988x = 2,428,760,168,704
5. Step 5: Solve for x
   x = 2,428,760,168,704/723,988
6. Step 6: Final answer
   x = 3,354,696.72