Finding the Third Proportional to 326,265 and 722,515.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,265 : 722,515.50 = 722,515.50 : x
2. Step 2: Convert to fraction form
   326,265/722,515.50 = 722,515.50/x
3. Step 3: Cross multiply
   326,265x = 722,515.50 × 722,515.50
4. Step 4: Simplify right side
   326,265x = 522,028,647,740.25
5. Step 5: Solve for x
   x = 522,028,647,740.25/326,265
6. Step 6: Final answer
   x = 1,600,014.25