Finding the Third Proportional to 339,061.50 and 464,919.75

Step by Step Solution

1. Step 1: Write the proportion equation
   339,061.50 : 464,919.75 = 464,919.75 : x
2. Step 2: Convert to fraction form
   339,061.50/464,919.75 = 464,919.75/x
3. Step 3: Cross multiply
   339,061.50x = 464,919.75 × 464,919.75
4. Step 4: Simplify right side
   339,061.50x = 216,150,373,940.06
5. Step 5: Solve for x
   x = 216,150,373,940.06/339,061.50
6. Step 6: Final answer
   x = 637,496.07