Finding the Third Proportional to 725,384 and 1,019,688

Step by Step Solution

1. Step 1: Write the proportion equation
   725,384 : 1,019,688 = 1,019,688 : x
2. Step 2: Convert to fraction form
   725,384/1,019,688 = 1,019,688/x
3. Step 3: Cross multiply
   725,384x = 1,019,688 × 1,019,688
4. Step 4: Simplify right side
   725,384x = 1,039,763,617,344
5. Step 5: Solve for x
   x = 1,039,763,617,344/725,384
6. Step 6: Final answer
   x = 1,433,397.51