Finding the Third Proportional to 246,707 and 512,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   246,707 : 512,805.50 = 512,805.50 : x
2. Step 2: Convert to fraction form
   246,707/512,805.50 = 512,805.50/x
3. Step 3: Cross multiply
   246,707x = 512,805.50 × 512,805.50
4. Step 4: Simplify right side
   246,707x = 262,969,480,830.25
5. Step 5: Solve for x
   x = 262,969,480,830.25/246,707
6. Step 6: Final answer
   x = 1,065,918.20