Finding the Third Proportional to 510,060.50 and 819,035.50

Step by Step Solution

1. Step 1: Write the proportion equation
   510,060.50 : 819,035.50 = 819,035.50 : x
2. Step 2: Convert to fraction form
   510,060.50/819,035.50 = 819,035.50/x
3. Step 3: Cross multiply
   510,060.50x = 819,035.50 × 819,035.50
4. Step 4: Simplify right side
   510,060.50x = 670,819,150,260.25
5. Step 5: Solve for x
   x = 670,819,150,260.25/510,060.50
6. Step 6: Final answer
   x = 1,315,175.65