Finding the Third Proportional to 678,912 and 1,462,752

Step by Step Solution

1. Step 1: Write the proportion equation
   678,912 : 1,462,752 = 1,462,752 : x
2. Step 2: Convert to fraction form
   678,912/1,462,752 = 1,462,752/x
3. Step 3: Cross multiply
   678,912x = 1,462,752 × 1,462,752
4. Step 4: Simplify right side
   678,912x = 2,139,643,413,504
5. Step 5: Solve for x
   x = 2,139,643,413,504/678,912
6. Step 6: Final answer
   x = 3,151,576.95