Finding the Third Proportional to 714,360 and 1,105,128

Step by Step Solution

1. Step 1: Write the proportion equation
   714,360 : 1,105,128 = 1,105,128 : x
2. Step 2: Convert to fraction form
   714,360/1,105,128 = 1,105,128/x
3. Step 3: Cross multiply
   714,360x = 1,105,128 × 1,105,128
4. Step 4: Simplify right side
   714,360x = 1,221,307,896,384
5. Step 5: Solve for x
   x = 1,221,307,896,384/714,360
6. Step 6: Final answer
   x = 1,709,653.25