Finding the Third Proportional to 56,103.75 and 121,123.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,103.75 : 121,123.88 = 121,123.88 : x
2. Step 2: Convert to fraction form
   56,103.75/121,123.88 = 121,123.88/x
3. Step 3: Cross multiply
   56,103.75x = 121,123.88 × 121,123.88
4. Step 4: Simplify right side
   56,103.75x = 14,670,993,095.02
5. Step 5: Solve for x
   x = 14,670,993,095.02/56,103.75
6. Step 6: Final answer
   x = 261,497.55