Finding the Third Proportional to 187,822 and 442,931

Step by Step Solution

1. Step 1: Write the proportion equation
   187,822 : 442,931 = 442,931 : x
2. Step 2: Convert to fraction form
   187,822/442,931 = 442,931/x
3. Step 3: Cross multiply
   187,822x = 442,931 × 442,931
4. Step 4: Simplify right side
   187,822x = 196,187,870,761
5. Step 5: Solve for x
   x = 196,187,870,761/187,822
6. Step 6: Final answer
   x = 1,044,541.48