Finding the Third Proportional to 42,518 and 59,443

Step by Step Solution

1. Step 1: Write the proportion equation
   42,518 : 59,443 = 59,443 : x
2. Step 2: Convert to fraction form
   42,518/59,443 = 59,443/x
3. Step 3: Cross multiply
   42,518x = 59,443 × 59,443
4. Step 4: Simplify right side
   42,518x = 3,533,470,249
5. Step 5: Solve for x
   x = 3,533,470,249/42,518
6. Step 6: Final answer
   x = 83,105.28