Finding the Third Proportional to 336,479.25 and 517,191

Step by Step Solution

1. Step 1: Write the proportion equation
   336,479.25 : 517,191 = 517,191 : x
2. Step 2: Convert to fraction form
   336,479.25/517,191 = 517,191/x
3. Step 3: Cross multiply
   336,479.25x = 517,191 × 517,191
4. Step 4: Simplify right side
   336,479.25x = 267,486,530,481
5. Step 5: Solve for x
   x = 267,486,530,481/336,479.25
6. Step 6: Final answer
   x = 794,956.99