Finding the Third Proportional to 326,227.50 and 491,346

Step by Step Solution

1. Step 1: Write the proportion equation
   326,227.50 : 491,346 = 491,346 : x
2. Step 2: Convert to fraction form
   326,227.50/491,346 = 491,346/x
3. Step 3: Cross multiply
   326,227.50x = 491,346 × 491,346
4. Step 4: Simplify right side
   326,227.50x = 241,420,891,716
5. Step 5: Solve for x
   x = 241,420,891,716/326,227.50
6. Step 6: Final answer
   x = 740,038.44