Finding the Third Proportional to 42,076.97 and 90,509.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,076.97 : 90,509.91 = 90,509.91 : x
2. Step 2: Convert to fraction form
   42,076.97/90,509.91 = 90,509.91/x
3. Step 3: Cross multiply
   42,076.97x = 90,509.91 × 90,509.91
4. Step 4: Simplify right side
   42,076.97x = 8,192,043,129.38
5. Step 5: Solve for x
   x = 8,192,043,129.38/42,076.97
6. Step 6: Final answer
   x = 194,691.86