Finding the Third Proportional to 56,921.91 and 82,234.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,921.91 : 82,234.69 = 82,234.69 : x
2. Step 2: Convert to fraction form
   56,921.91/82,234.69 = 82,234.69/x
3. Step 3: Cross multiply
   56,921.91x = 82,234.69 × 82,234.69
4. Step 4: Simplify right side
   56,921.91x = 6,762,543,828.22
5. Step 5: Solve for x
   x = 6,762,543,828.22/56,921.91
6. Step 6: Final answer
   x = 118,803.89