Finding the Third Proportional to 339,536 and 719,546.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,536 : 719,546.50 = 719,546.50 : x
2. Step 2: Convert to fraction form
   339,536/719,546.50 = 719,546.50/x
3. Step 3: Cross multiply
   339,536x = 719,546.50 × 719,546.50
4. Step 4: Simplify right side
   339,536x = 517,747,165,662.25
5. Step 5: Solve for x
   x = 517,747,165,662.25/339,536
6. Step 6: Final answer
   x = 1,524,866.78