Finding the Third Proportional to 326,227.50 and 718,677

Step by Step Solution

1. Step 1: Write the proportion equation
   326,227.50 : 718,677 = 718,677 : x
2. Step 2: Convert to fraction form
   326,227.50/718,677 = 718,677/x
3. Step 3: Cross multiply
   326,227.50x = 718,677 × 718,677
4. Step 4: Simplify right side
   326,227.50x = 516,496,630,329
5. Step 5: Solve for x
   x = 516,496,630,329/326,227.50
6. Step 6: Final answer
   x = 1,583,240.62