Finding the Third Proportional to 123,113.75 and 264,617.88

Step by Step Solution

1. Step 1: Write the proportion equation
   123,113.75 : 264,617.88 = 264,617.88 : x
2. Step 2: Convert to fraction form
   123,113.75/264,617.88 = 264,617.88/x
3. Step 3: Cross multiply
   123,113.75x = 264,617.88 × 264,617.88
4. Step 4: Simplify right side
   123,113.75x = 70,022,619,769.52
5. Step 5: Solve for x
   x = 70,022,619,769.52/123,113.75
6. Step 6: Final answer
   x = 568,763.60