Finding the Third Proportional to 42,558 and 59,493

Step by Step Solution

1. Step 1: Write the proportion equation
   42,558 : 59,493 = 59,493 : x
2. Step 2: Convert to fraction form
   42,558/59,493 = 59,493/x
3. Step 3: Cross multiply
   42,558x = 59,493 × 59,493
4. Step 4: Simplify right side
   42,558x = 3,539,417,049
5. Step 5: Solve for x
   x = 3,539,417,049/42,558
6. Step 6: Final answer
   x = 83,166.90