Finding the Third Proportional to 56,386.13 and 131,113.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,386.13 : 131,113.69 = 131,113.69 : x
2. Step 2: Convert to fraction form
   56,386.13/131,113.69 = 131,113.69/x
3. Step 3: Cross multiply
   56,386.13x = 131,113.69 × 131,113.69
4. Step 4: Simplify right side
   56,386.13x = 17,190,799,049.85
5. Step 5: Solve for x
   x = 17,190,799,049.85/56,386.13
6. Step 6: Final answer
   x = 304,876.40