Finding the Third Proportional to 56,917.25 and 124,906.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,917.25 : 124,906.50 = 124,906.50 : x
2. Step 2: Convert to fraction form
   56,917.25/124,906.50 = 124,906.50/x
3. Step 3: Cross multiply
   56,917.25x = 124,906.50 × 124,906.50
4. Step 4: Simplify right side
   56,917.25x = 15,601,633,742.25
5. Step 5: Solve for x
   x = 15,601,633,742.25/56,917.25
6. Step 6: Final answer
   x = 274,110.81