Finding the Third Proportional to 42,488 and 62,228

Step by Step Solution

1. Step 1: Write the proportion equation
   42,488 : 62,228 = 62,228 : x
2. Step 2: Convert to fraction form
   42,488/62,228 = 62,228/x
3. Step 3: Cross multiply
   42,488x = 62,228 × 62,228
4. Step 4: Simplify right side
   42,488x = 3,872,323,984
5. Step 5: Solve for x
   x = 3,872,323,984/42,488
6. Step 6: Final answer
   x = 91,139.24