Finding the Third Proportional to 42,915 and 89,750

Step by Step Solution

1. Step 1: Write the proportion equation
   42,915 : 89,750 = 89,750 : x
2. Step 2: Convert to fraction form
   42,915/89,750 = 89,750/x
3. Step 3: Cross multiply
   42,915x = 89,750 × 89,750
4. Step 4: Simplify right side
   42,915x = 8,055,062,500
5. Step 5: Solve for x
   x = 8,055,062,500/42,915
6. Step 6: Final answer
   x = 187,698.07