Finding the Third Proportional to 42,920 and 88,812

Step by Step Solution

1. Step 1: Write the proportion equation
   42,920 : 88,812 = 88,812 : x
2. Step 2: Convert to fraction form
   42,920/88,812 = 88,812/x
3. Step 3: Cross multiply
   42,920x = 88,812 × 88,812
4. Step 4: Simplify right side
   42,920x = 7,887,571,344
5. Step 5: Solve for x
   x = 7,887,571,344/42,920
6. Step 6: Final answer
   x = 183,773.80