Finding the Third Proportional to 359,323.50 and 782,395

Step by Step Solution

1. Step 1: Write the proportion equation
   359,323.50 : 782,395 = 782,395 : x
2. Step 2: Convert to fraction form
   359,323.50/782,395 = 782,395/x
3. Step 3: Cross multiply
   359,323.50x = 782,395 × 782,395
4. Step 4: Simplify right side
   359,323.50x = 612,141,936,025
5. Step 5: Solve for x
   x = 612,141,936,025/359,323.50
6. Step 6: Final answer
   x = 1,703,595.61