Finding the Third Proportional to 42,542 and 99,359

Step by Step Solution

1. Step 1: Write the proportion equation
   42,542 : 99,359 = 99,359 : x
2. Step 2: Convert to fraction form
   42,542/99,359 = 99,359/x
3. Step 3: Cross multiply
   42,542x = 99,359 × 99,359
4. Step 4: Simplify right side
   42,542x = 9,872,210,881
5. Step 5: Solve for x
   x = 9,872,210,881/42,542
6. Step 6: Final answer
   x = 232,057.99