Finding the Third Proportional to 113,423.50 and 248,555

Step by Step Solution

1. Step 1: Write the proportion equation
   113,423.50 : 248,555 = 248,555 : x
2. Step 2: Convert to fraction form
   113,423.50/248,555 = 248,555/x
3. Step 3: Cross multiply
   113,423.50x = 248,555 × 248,555
4. Step 4: Simplify right side
   113,423.50x = 61,779,588,025
5. Step 5: Solve for x
   x = 61,779,588,025/113,423.50
6. Step 6: Final answer
   x = 544,680.67