Finding the Third Proportional to 329,404.50 and 719,041.50

Step by Step Solution

1. Step 1: Write the proportion equation
   329,404.50 : 719,041.50 = 719,041.50 : x
2. Step 2: Convert to fraction form
   329,404.50/719,041.50 = 719,041.50/x
3. Step 3: Cross multiply
   329,404.50x = 719,041.50 × 719,041.50
4. Step 4: Simplify right side
   329,404.50x = 517,020,678,722.25
5. Step 5: Solve for x
   x = 517,020,678,722.25/329,404.50
6. Step 6: Final answer
   x = 1,569,561.67