Finding the Third Proportional to 724,660 and 1,574,186

Step by Step Solution

1. Step 1: Write the proportion equation
   724,660 : 1,574,186 = 1,574,186 : x
2. Step 2: Convert to fraction form
   724,660/1,574,186 = 1,574,186/x
3. Step 3: Cross multiply
   724,660x = 1,574,186 × 1,574,186
4. Step 4: Simplify right side
   724,660x = 2,478,061,562,596
5. Step 5: Solve for x
   x = 2,478,061,562,596/724,660
6. Step 6: Final answer
   x = 3,419,619.63