Finding the Third Proportional to 42,432 and 83,792

Step by Step Solution

1. Step 1: Write the proportion equation
   42,432 : 83,792 = 83,792 : x
2. Step 2: Convert to fraction form
   42,432/83,792 = 83,792/x
3. Step 3: Cross multiply
   42,432x = 83,792 × 83,792
4. Step 4: Simplify right side
   42,432x = 7,021,099,264
5. Step 5: Solve for x
   x = 7,021,099,264/42,432
6. Step 6: Final answer
   x = 165,467.08