Finding the Third Proportional to 1,002,724 and 2,188,376

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,724 : 2,188,376 = 2,188,376 : x
2. Step 2: Convert to fraction form
   1,002,724/2,188,376 = 2,188,376/x
3. Step 3: Cross multiply
   1,002,724x = 2,188,376 × 2,188,376
4. Step 4: Simplify right side
   1,002,724x = 4,788,989,517,376
5. Step 5: Solve for x
   x = 4,788,989,517,376/1,002,724
6. Step 6: Final answer
   x = 4,775,979.75