Finding the Third Proportional to 53,221.50 and 113,670

Step by Step Solution

1. Step 1: Write the proportion equation
   53,221.50 : 113,670 = 113,670 : x
2. Step 2: Convert to fraction form
   53,221.50/113,670 = 113,670/x
3. Step 3: Cross multiply
   53,221.50x = 113,670 × 113,670
4. Step 4: Simplify right side
   53,221.50x = 12,920,868,900
5. Step 5: Solve for x
   x = 12,920,868,900/53,221.50
6. Step 6: Final answer
   x = 242,775.36