Finding the Third Proportional to 56,119.50 and 122,057.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,119.50 : 122,057.72 = 122,057.72 : x
2. Step 2: Convert to fraction form
   56,119.50/122,057.72 = 122,057.72/x
3. Step 3: Cross multiply
   56,119.50x = 122,057.72 × 122,057.72
4. Step 4: Simplify right side
   56,119.50x = 14,898,086,706.45
5. Step 5: Solve for x
   x = 14,898,086,706.45/56,119.50
6. Step 6: Final answer
   x = 265,470.77