Finding the Third Proportional to 386,294 and 568,272.75

Step by Step Solution

1. Step 1: Write the proportion equation
   386,294 : 568,272.75 = 568,272.75 : x
2. Step 2: Convert to fraction form
   386,294/568,272.75 = 568,272.75/x
3. Step 3: Cross multiply
   386,294x = 568,272.75 × 568,272.75
4. Step 4: Simplify right side
   386,294x = 322,933,918,392.56
5. Step 5: Solve for x
   x = 322,933,918,392.56/386,294
6. Step 6: Final answer
   x = 835,979.64