Finding the Third Proportional to 646,768.69 and 1,360,567.88

Step by Step Solution

1. Step 1: Write the proportion equation
   646,768.69 : 1,360,567.88 = 1,360,567.88 : x
2. Step 2: Convert to fraction form
   646,768.69/1,360,567.88 = 1,360,567.88/x
3. Step 3: Cross multiply
   646,768.69x = 1,360,567.88 × 1,360,567.88
4. Step 4: Simplify right side
   646,768.69x = 1,851,144,942,482.02
5. Step 5: Solve for x
   x = 1,851,144,942,482.02/646,768.69
6. Step 6: Final answer
   x = 2,862,143.73