Finding the Third Proportional to 260,802 and 571,479.75

Step by Step Solution

1. Step 1: Write the proportion equation
   260,802 : 571,479.75 = 571,479.75 : x
2. Step 2: Convert to fraction form
   260,802/571,479.75 = 571,479.75/x
3. Step 3: Cross multiply
   260,802x = 571,479.75 × 571,479.75
4. Step 4: Simplify right side
   260,802x = 326,589,104,660.06
5. Step 5: Solve for x
   x = 326,589,104,660.06/260,802
6. Step 6: Final answer
   x = 1,252,249.23