Finding the Third Proportional to 55,285.50 and 121,074

Step by Step Solution

1. Step 1: Write the proportion equation
   55,285.50 : 121,074 = 121,074 : x
2. Step 2: Convert to fraction form
   55,285.50/121,074 = 121,074/x
3. Step 3: Cross multiply
   55,285.50x = 121,074 × 121,074
4. Step 4: Simplify right side
   55,285.50x = 14,658,913,476
5. Step 5: Solve for x
   x = 14,658,913,476/55,285.50
6. Step 6: Final answer
   x = 265,149.33