Finding the Third Proportional to 724,560 and 1,589,088

Step by Step Solution

1. Step 1: Write the proportion equation
   724,560 : 1,589,088 = 1,589,088 : x
2. Step 2: Convert to fraction form
   724,560/1,589,088 = 1,589,088/x
3. Step 3: Cross multiply
   724,560x = 1,589,088 × 1,589,088
4. Step 4: Simplify right side
   724,560x = 2,525,200,671,744
5. Step 5: Solve for x
   x = 2,525,200,671,744/724,560
6. Step 6: Final answer
   x = 3,485,150.54