Finding the Third Proportional to 56,622.80 and 83,311.03

Step by Step Solution

1. Step 1: Write the proportion equation
   56,622.80 : 83,311.03 = 83,311.03 : x
2. Step 2: Convert to fraction form
   56,622.80/83,311.03 = 83,311.03/x
3. Step 3: Cross multiply
   56,622.80x = 83,311.03 × 83,311.03
4. Step 4: Simplify right side
   56,622.80x = 6,940,727,927.94
5. Step 5: Solve for x
   x = 6,940,727,927.94/56,622.80
6. Step 6: Final answer
   x = 122,578.33