Finding the Third Proportional to 56,115 and 123,133.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,115 : 123,133.88 = 123,133.88 : x
2. Step 2: Convert to fraction form
   56,115/123,133.88 = 123,133.88/x
3. Step 3: Cross multiply
   56,115x = 123,133.88 × 123,133.88
4. Step 4: Simplify right side
   56,115x = 15,161,951,172.52
5. Step 5: Solve for x
   x = 15,161,951,172.52/56,115
6. Step 6: Final answer
   x = 270,194.26