Finding the Third Proportional to 90,076 and 191,816

Step by Step Solution

1. Step 1: Write the proportion equation
   90,076 : 191,816 = 191,816 : x
2. Step 2: Convert to fraction form
   90,076/191,816 = 191,816/x
3. Step 3: Cross multiply
   90,076x = 191,816 × 191,816
4. Step 4: Simplify right side
   90,076x = 36,793,377,856
5. Step 5: Solve for x
   x = 36,793,377,856/90,076
6. Step 6: Final answer
   x = 408,470.38