Finding the Third Proportional to 42,477 and 62,418

Step by Step Solution

1. Step 1: Write the proportion equation
   42,477 : 62,418 = 62,418 : x
2. Step 2: Convert to fraction form
   42,477/62,418 = 62,418/x
3. Step 3: Cross multiply
   42,477x = 62,418 × 62,418
4. Step 4: Simplify right side
   42,477x = 3,896,006,724
5. Step 5: Solve for x
   x = 3,896,006,724/42,477
6. Step 6: Final answer
   x = 91,720.38