Finding the Third Proportional to 724,516 and 1,589,000

Step by Step Solution

1. Step 1: Write the proportion equation
   724,516 : 1,589,000 = 1,589,000 : x
2. Step 2: Convert to fraction form
   724,516/1,589,000 = 1,589,000/x
3. Step 3: Cross multiply
   724,516x = 1,589,000 × 1,589,000
4. Step 4: Simplify right side
   724,516x = 2,524,921,000,000
5. Step 5: Solve for x
   x = 2,524,921,000,000/724,516
6. Step 6: Final answer
   x = 3,484,976.18