Finding the Third Proportional to 57,349.13 and 87,481.69

Step by Step Solution

1. Step 1: Write the proportion equation
   57,349.13 : 87,481.69 = 87,481.69 : x
2. Step 2: Convert to fraction form
   57,349.13/87,481.69 = 87,481.69/x
3. Step 3: Cross multiply
   57,349.13x = 87,481.69 × 87,481.69
4. Step 4: Simplify right side
   57,349.13x = 7,653,045,647.85
5. Step 5: Solve for x
   x = 7,653,045,647.85/57,349.13
6. Step 6: Final answer
   x = 133,446.60