Finding the Third Proportional to 42,456 and 62,442

Step by Step Solution

1. Step 1: Write the proportion equation
   42,456 : 62,442 = 62,442 : x
2. Step 2: Convert to fraction form
   42,456/62,442 = 62,442/x
3. Step 3: Cross multiply
   42,456x = 62,442 × 62,442
4. Step 4: Simplify right side
   42,456x = 3,899,003,364
5. Step 5: Solve for x
   x = 3,899,003,364/42,456
6. Step 6: Final answer
   x = 91,836.33