Finding the Third Proportional to 187,680 and 442,854

Step by Step Solution

1. Step 1: Write the proportion equation
   187,680 : 442,854 = 442,854 : x
2. Step 2: Convert to fraction form
   187,680/442,854 = 442,854/x
3. Step 3: Cross multiply
   187,680x = 442,854 × 442,854
4. Step 4: Simplify right side
   187,680x = 196,119,665,316
5. Step 5: Solve for x
   x = 196,119,665,316/187,680
6. Step 6: Final answer
   x = 1,044,968.38