Finding the Third Proportional to 646,768.50 and 1,360,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   646,768.50 : 1,360,567.50 = 1,360,567.50 : x
2. Step 2: Convert to fraction form
   646,768.50/1,360,567.50 = 1,360,567.50/x
3. Step 3: Cross multiply
   646,768.50x = 1,360,567.50 × 1,360,567.50
4. Step 4: Simplify right side
   646,768.50x = 1,851,143,922,056.25
5. Step 5: Solve for x
   x = 1,851,143,922,056.25/646,768.50
6. Step 6: Final answer
   x = 2,862,142.98