Finding the Third Proportional to 56,876.50 and 122,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,876.50 : 122,474.50 = 122,474.50 : x
2. Step 2: Convert to fraction form
   56,876.50/122,474.50 = 122,474.50/x
3. Step 3: Cross multiply
   56,876.50x = 122,474.50 × 122,474.50
4. Step 4: Simplify right side
   56,876.50x = 15,000,003,150.25
5. Step 5: Solve for x
   x = 15,000,003,150.25/56,876.50
6. Step 6: Final answer
   x = 263,729.36