Finding the Third Proportional to 329,389.50 and 719,016

Step by Step Solution

1. Step 1: Write the proportion equation
   329,389.50 : 719,016 = 719,016 : x
2. Step 2: Convert to fraction form
   329,389.50/719,016 = 719,016/x
3. Step 3: Cross multiply
   329,389.50x = 719,016 × 719,016
4. Step 4: Simplify right side
   329,389.50x = 516,984,008,256
5. Step 5: Solve for x
   x = 516,984,008,256/329,389.50
6. Step 6: Final answer
   x = 1,569,521.82