Finding the Third Proportional to 329,409 and 719,050.50

Step by Step Solution

1. Step 1: Write the proportion equation
   329,409 : 719,050.50 = 719,050.50 : x
2. Step 2: Convert to fraction form
   329,409/719,050.50 = 719,050.50/x
3. Step 3: Cross multiply
   329,409x = 719,050.50 × 719,050.50
4. Step 4: Simplify right side
   329,409x = 517,033,621,550.25
5. Step 5: Solve for x
   x = 517,033,621,550.25/329,409
6. Step 6: Final answer
   x = 1,569,579.52