Finding the Third Proportional to 1,248,792 and 2,687,124

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,792 : 2,687,124 = 2,687,124 : x
2. Step 2: Convert to fraction form
   1,248,792/2,687,124 = 2,687,124/x
3. Step 3: Cross multiply
   1,248,792x = 2,687,124 × 2,687,124
4. Step 4: Simplify right side
   1,248,792x = 7,220,635,391,376
5. Step 5: Solve for x
   x = 7,220,635,391,376/1,248,792
6. Step 6: Final answer
   x = 5,782,096.13