Finding the Third Proportional to 42,024 and 68,792

Step by Step Solution

1. Step 1: Write the proportion equation
   42,024 : 68,792 = 68,792 : x
2. Step 2: Convert to fraction form
   42,024/68,792 = 68,792/x
3. Step 3: Cross multiply
   42,024x = 68,792 × 68,792
4. Step 4: Simplify right side
   42,024x = 4,732,339,264
5. Step 5: Solve for x
   x = 4,732,339,264/42,024
6. Step 6: Final answer
   x = 112,610.40