Finding the Third Proportional to 61,123.50 and 126,054

Step by Step Solution

1. Step 1: Write the proportion equation
   61,123.50 : 126,054 = 126,054 : x
2. Step 2: Convert to fraction form
   61,123.50/126,054 = 126,054/x
3. Step 3: Cross multiply
   61,123.50x = 126,054 × 126,054
4. Step 4: Simplify right side
   61,123.50x = 15,889,610,916
5. Step 5: Solve for x
   x = 15,889,610,916/61,123.50
6. Step 6: Final answer
   x = 259,959.11