Finding the Third Proportional to 678,732 and 1,462,368

Step by Step Solution

1. Step 1: Write the proportion equation
   678,732 : 1,462,368 = 1,462,368 : x
2. Step 2: Convert to fraction form
   678,732/1,462,368 = 1,462,368/x
3. Step 3: Cross multiply
   678,732x = 1,462,368 × 1,462,368
4. Step 4: Simplify right side
   678,732x = 2,138,520,167,424
5. Step 5: Solve for x
   x = 2,138,520,167,424/678,732
6. Step 6: Final answer
   x = 3,150,757.84