Finding the Third Proportional to 1,203,624 and 1,639,355

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203,624 : 1,639,355 = 1,639,355 : x
2. Step 2: Convert to fraction form
   1,203,624/1,639,355 = 1,639,355/x
3. Step 3: Cross multiply
   1,203,624x = 1,639,355 × 1,639,355
4. Step 4: Simplify right side
   1,203,624x = 2,687,484,816,025
5. Step 5: Solve for x
   x = 2,687,484,816,025/1,203,624
6. Step 6: Final answer
   x = 2,232,827.54