Finding the Third Proportional to 123,358.50 and 263,565

Step by Step Solution

1. Step 1: Write the proportion equation
   123,358.50 : 263,565 = 263,565 : x
2. Step 2: Convert to fraction form
   123,358.50/263,565 = 263,565/x
3. Step 3: Cross multiply
   123,358.50x = 263,565 × 263,565
4. Step 4: Simplify right side
   123,358.50x = 69,466,509,225
5. Step 5: Solve for x
   x = 69,466,509,225/123,358.50
6. Step 6: Final answer
   x = 563,127.06