Finding the Third Proportional to 328,855.50 and 708,468

Step by Step Solution

1. Step 1: Write the proportion equation
   328,855.50 : 708,468 = 708,468 : x
2. Step 2: Convert to fraction form
   328,855.50/708,468 = 708,468/x
3. Step 3: Cross multiply
   328,855.50x = 708,468 × 708,468
4. Step 4: Simplify right side
   328,855.50x = 501,926,907,024
5. Step 5: Solve for x
   x = 501,926,907,024/328,855.50
6. Step 6: Final answer
   x = 1,526,284.06