Finding the Third Proportional to 42,712 and 62,422

Step by Step Solution

1. Step 1: Write the proportion equation
   42,712 : 62,422 = 62,422 : x
2. Step 2: Convert to fraction form
   42,712/62,422 = 62,422/x
3. Step 3: Cross multiply
   42,712x = 62,422 × 62,422
4. Step 4: Simplify right side
   42,712x = 3,896,506,084
5. Step 5: Solve for x
   x = 3,896,506,084/42,712
6. Step 6: Final answer
   x = 91,227.43