Finding the Third Proportional to 326,271 and 478,624.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,271 : 478,624.50 = 478,624.50 : x
2. Step 2: Convert to fraction form
   326,271/478,624.50 = 478,624.50/x
3. Step 3: Cross multiply
   326,271x = 478,624.50 × 478,624.50
4. Step 4: Simplify right side
   326,271x = 229,081,412,000.25
5. Step 5: Solve for x
   x = 229,081,412,000.25/326,271
6. Step 6: Final answer
   x = 702,120.05