Finding the Third Proportional to 187,494 and 404,454

Step by Step Solution

1. Step 1: Write the proportion equation
   187,494 : 404,454 = 404,454 : x
2. Step 2: Convert to fraction form
   187,494/404,454 = 404,454/x
3. Step 3: Cross multiply
   187,494x = 404,454 × 404,454
4. Step 4: Simplify right side
   187,494x = 163,583,038,116
5. Step 5: Solve for x
   x = 163,583,038,116/187,494
6. Step 6: Final answer
   x = 872,470.79