Finding the Third Proportional to 57,272.06 and 83,311.03

Step by Step Solution

1. Step 1: Write the proportion equation
   57,272.06 : 83,311.03 = 83,311.03 : x
2. Step 2: Convert to fraction form
   57,272.06/83,311.03 = 83,311.03/x
3. Step 3: Cross multiply
   57,272.06x = 83,311.03 × 83,311.03
4. Step 4: Simplify right side
   57,272.06x = 6,940,727,927.94
5. Step 5: Solve for x
   x = 6,940,727,927.94/57,272.06
6. Step 6: Final answer
   x = 121,188.72