Finding the Third Proportional to 56,269.50 and 121,206

Step by Step Solution

1. Step 1: Write the proportion equation
   56,269.50 : 121,206 = 121,206 : x
2. Step 2: Convert to fraction form
   56,269.50/121,206 = 121,206/x
3. Step 3: Cross multiply
   56,269.50x = 121,206 × 121,206
4. Step 4: Simplify right side
   56,269.50x = 14,690,894,436
5. Step 5: Solve for x
   x = 14,690,894,436/56,269.50
6. Step 6: Final answer
   x = 261,080.95