Finding the Third Proportional to 55,876.50 and 121,608

Step by Step Solution

1. Step 1: Write the proportion equation
   55,876.50 : 121,608 = 121,608 : x
2. Step 2: Convert to fraction form
   55,876.50/121,608 = 121,608/x
3. Step 3: Cross multiply
   55,876.50x = 121,608 × 121,608
4. Step 4: Simplify right side
   55,876.50x = 14,788,505,664
5. Step 5: Solve for x
   x = 14,788,505,664/55,876.50
6. Step 6: Final answer
   x = 264,664.14