Finding the Third Proportional to 712,648 and 1,484,256

Step by Step Solution

1. Step 1: Write the proportion equation
   712,648 : 1,484,256 = 1,484,256 : x
2. Step 2: Convert to fraction form
   712,648/1,484,256 = 1,484,256/x
3. Step 3: Cross multiply
   712,648x = 1,484,256 × 1,484,256
4. Step 4: Simplify right side
   712,648x = 2,203,015,873,536
5. Step 5: Solve for x
   x = 2,203,015,873,536/712,648
6. Step 6: Final answer
   x = 3,091,309.98