Finding the Third Proportional to 518,443.50 and 793,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   518,443.50 : 793,452.50 = 793,452.50 : x
2. Step 2: Convert to fraction form
   518,443.50/793,452.50 = 793,452.50/x
3. Step 3: Cross multiply
   518,443.50x = 793,452.50 × 793,452.50
4. Step 4: Simplify right side
   518,443.50x = 629,566,869,756.25
5. Step 5: Solve for x
   x = 629,566,869,756.25/518,443.50
6. Step 6: Final answer
   x = 1,214,340.37