Finding the Third Proportional to 55,551.75 and 123,114

Step by Step Solution

1. Step 1: Write the proportion equation
   55,551.75 : 123,114 = 123,114 : x
2. Step 2: Convert to fraction form
   55,551.75/123,114 = 123,114/x
3. Step 3: Cross multiply
   55,551.75x = 123,114 × 123,114
4. Step 4: Simplify right side
   55,551.75x = 15,157,056,996
5. Step 5: Solve for x
   x = 15,157,056,996/55,551.75
6. Step 6: Final answer
   x = 272,845.72