Finding the Third Proportional to 42,354 and 59,499

Step by Step Solution

1. Step 1: Write the proportion equation
   42,354 : 59,499 = 59,499 : x
2. Step 2: Convert to fraction form
   42,354/59,499 = 59,499/x
3. Step 3: Cross multiply
   42,354x = 59,499 × 59,499
4. Step 4: Simplify right side
   42,354x = 3,540,131,001
5. Step 5: Solve for x
   x = 3,540,131,001/42,354
6. Step 6: Final answer
   x = 83,584.34