Finding the Third Proportional to 123,088.50 and 265,007.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123,088.50 : 265,007.25 = 265,007.25 : x
2. Step 2: Convert to fraction form
   123,088.50/265,007.25 = 265,007.25/x
3. Step 3: Cross multiply
   123,088.50x = 265,007.25 × 265,007.25
4. Step 4: Simplify right side
   123,088.50x = 70,228,842,552.56
5. Step 5: Solve for x
   x = 70,228,842,552.56/123,088.50
6. Step 6: Final answer
   x = 570,555.68