Finding the Third Proportional to 725,760 and 1,128,384

Step by Step Solution

1. Step 1: Write the proportion equation
   725,760 : 1,128,384 = 1,128,384 : x
2. Step 2: Convert to fraction form
   725,760/1,128,384 = 1,128,384/x
3. Step 3: Cross multiply
   725,760x = 1,128,384 × 1,128,384
4. Step 4: Simplify right side
   725,760x = 1,273,250,451,456
5. Step 5: Solve for x
   x = 1,273,250,451,456/725,760
6. Step 6: Final answer
   x = 1,754,368.46