Finding the Third Proportional to 40,542 and 89,076

Step by Step Solution

1. Step 1: Write the proportion equation
   40,542 : 89,076 = 89,076 : x
2. Step 2: Convert to fraction form
   40,542/89,076 = 89,076/x
3. Step 3: Cross multiply
   40,542x = 89,076 × 89,076
4. Step 4: Simplify right side
   40,542x = 7,934,533,776
5. Step 5: Solve for x
   x = 7,934,533,776/40,542
6. Step 6: Final answer
   x = 195,711.45