Finding the Third Proportional to 42,151 and 90,836

Step by Step Solution

1. Step 1: Write the proportion equation
   42,151 : 90,836 = 90,836 : x
2. Step 2: Convert to fraction form
   42,151/90,836 = 90,836/x
3. Step 3: Cross multiply
   42,151x = 90,836 × 90,836
4. Step 4: Simplify right side
   42,151x = 8,251,178,896
5. Step 5: Solve for x
   x = 8,251,178,896/42,151
6. Step 6: Final answer
   x = 195,752.86