Finding the Third Proportional to 56,349.75 and 87,207.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,349.75 : 87,207.38 = 87,207.38 : x
2. Step 2: Convert to fraction form
   56,349.75/87,207.38 = 87,207.38/x
3. Step 3: Cross multiply
   56,349.75x = 87,207.38 × 87,207.38
4. Step 4: Simplify right side
   56,349.75x = 7,605,126,254.39
5. Step 5: Solve for x
   x = 7,605,126,254.39/56,349.75
6. Step 6: Final answer
   x = 134,962.91