Finding the Third Proportional to 115,466.50 and 248,123

Step by Step Solution

1. Step 1: Write the proportion equation
   115,466.50 : 248,123 = 248,123 : x
2. Step 2: Convert to fraction form
   115,466.50/248,123 = 248,123/x
3. Step 3: Cross multiply
   115,466.50x = 248,123 × 248,123
4. Step 4: Simplify right side
   115,466.50x = 61,565,023,129
5. Step 5: Solve for x
   x = 61,565,023,129/115,466.50
6. Step 6: Final answer
   x = 533,185.15