Finding the Third Proportional to 63,822.75 and 89,436.75

Step by Step Solution

1. Step 1: Write the proportion equation
   63,822.75 : 89,436.75 = 89,436.75 : x
2. Step 2: Convert to fraction form
   63,822.75/89,436.75 = 89,436.75/x
3. Step 3: Cross multiply
   63,822.75x = 89,436.75 × 89,436.75
4. Step 4: Simplify right side
   63,822.75x = 7,998,932,250.56
5. Step 5: Solve for x
   x = 7,998,932,250.56/63,822.75
6. Step 6: Final answer
   x = 125,330.42