Finding the Third Proportional to 738,976 and 1,120,128

Step by Step Solution

1. Step 1: Write the proportion equation
   738,976 : 1,120,128 = 1,120,128 : x
2. Step 2: Convert to fraction form
   738,976/1,120,128 = 1,120,128/x
3. Step 3: Cross multiply
   738,976x = 1,120,128 × 1,120,128
4. Step 4: Simplify right side
   738,976x = 1,254,686,736,384
5. Step 5: Solve for x
   x = 1,254,686,736,384/738,976
6. Step 6: Final answer
   x = 1,697,872.10