Finding the Third Proportional to 42,344 and 58,116

Step by Step Solution

1. Step 1: Write the proportion equation
   42,344 : 58,116 = 58,116 : x
2. Step 2: Convert to fraction form
   42,344/58,116 = 58,116/x
3. Step 3: Cross multiply
   42,344x = 58,116 × 58,116
4. Step 4: Simplify right side
   42,344x = 3,377,469,456
5. Step 5: Solve for x
   x = 3,377,469,456/42,344
6. Step 6: Final answer
   x = 79,762.65