Finding the Third Proportional to 42,311.25 and 89,376.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,311.25 : 89,376.75 = 89,376.75 : x
2. Step 2: Convert to fraction form
   42,311.25/89,376.75 = 89,376.75/x
3. Step 3: Cross multiply
   42,311.25x = 89,376.75 × 89,376.75
4. Step 4: Simplify right side
   42,311.25x = 7,988,203,440.56
5. Step 5: Solve for x
   x = 7,988,203,440.56/42,311.25
6. Step 6: Final answer
   x = 188,796.21