Finding the Third Proportional to 42,127.25 and 91,635.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,127.25 : 91,635.75 = 91,635.75 : x
2. Step 2: Convert to fraction form
   42,127.25/91,635.75 = 91,635.75/x
3. Step 3: Cross multiply
   42,127.25x = 91,635.75 × 91,635.75
4. Step 4: Simplify right side
   42,127.25x = 8,397,110,678.06
5. Step 5: Solve for x
   x = 8,397,110,678.06/42,127.25
6. Step 6: Final answer
   x = 199,327.29