Finding the Third Proportional to 42,230.25 and 91,761.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,230.25 : 91,761.75 = 91,761.75 : x
2. Step 2: Convert to fraction form
   42,230.25/91,761.75 = 91,761.75/x
3. Step 3: Cross multiply
   42,230.25x = 91,761.75 × 91,761.75
4. Step 4: Simplify right side
   42,230.25x = 8,420,218,763.06
5. Step 5: Solve for x
   x = 8,420,218,763.06/42,230.25
6. Step 6: Final answer
   x = 199,388.32