Finding the Third Proportional to 756,648 and 1,548,288

Step by Step Solution

1. Step 1: Write the proportion equation
   756,648 : 1,548,288 = 1,548,288 : x
2. Step 2: Convert to fraction form
   756,648/1,548,288 = 1,548,288/x
3. Step 3: Cross multiply
   756,648x = 1,548,288 × 1,548,288
4. Step 4: Simplify right side
   756,648x = 2,397,195,730,944
5. Step 5: Solve for x
   x = 2,397,195,730,944/756,648
6. Step 6: Final answer
   x = 3,168,178.24