Finding the Third Proportional to 678,187.69 and 1,462,849.88

Step by Step Solution

1. Step 1: Write the proportion equation
   678,187.69 : 1,462,849.88 = 1,462,849.88 : x
2. Step 2: Convert to fraction form
   678,187.69/1,462,849.88 = 1,462,849.88/x
3. Step 3: Cross multiply
   678,187.69x = 1,462,849.88 × 1,462,849.88
4. Step 4: Simplify right side
   678,187.69x = 2,139,929,756,787.52
5. Step 5: Solve for x
   x = 2,139,929,756,787.52/678,187.69
6. Step 6: Final answer
   x = 3,155,365.09