Finding the Third Proportional to 151,291.50 and 205,569

Step by Step Solution

1. Step 1: Write the proportion equation
   151,291.50 : 205,569 = 205,569 : x
2. Step 2: Convert to fraction form
   151,291.50/205,569 = 205,569/x
3. Step 3: Cross multiply
   151,291.50x = 205,569 × 205,569
4. Step 4: Simplify right side
   151,291.50x = 42,258,613,761
5. Step 5: Solve for x
   x = 42,258,613,761/151,291.50
6. Step 6: Final answer
   x = 279,319.15