Finding the Third Proportional to 56,379.75 and 131,103

Step by Step Solution

1. Step 1: Write the proportion equation
   56,379.75 : 131,103 = 131,103 : x
2. Step 2: Convert to fraction form
   56,379.75/131,103 = 131,103/x
3. Step 3: Cross multiply
   56,379.75x = 131,103 × 131,103
4. Step 4: Simplify right side
   56,379.75x = 17,187,996,609
5. Step 5: Solve for x
   x = 17,187,996,609/56,379.75
6. Step 6: Final answer
   x = 304,861.17