Finding the Third Proportional to 1,144,361 and 1,681,509

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,361 : 1,681,509 = 1,681,509 : x
2. Step 2: Convert to fraction form
   1,144,361/1,681,509 = 1,681,509/x
3. Step 3: Cross multiply
   1,144,361x = 1,681,509 × 1,681,509
4. Step 4: Simplify right side
   1,144,361x = 2,827,472,517,081
5. Step 5: Solve for x
   x = 2,827,472,517,081/1,144,361
6. Step 6: Final answer
   x = 2,470,787.21