Finding the Third Proportional to 726,554 and 1,583,890

Step by Step Solution

1. Step 1: Write the proportion equation
   726,554 : 1,583,890 = 1,583,890 : x
2. Step 2: Convert to fraction form
   726,554/1,583,890 = 1,583,890/x
3. Step 3: Cross multiply
   726,554x = 1,583,890 × 1,583,890
4. Step 4: Simplify right side
   726,554x = 2,508,707,532,100
5. Step 5: Solve for x
   x = 2,508,707,532,100/726,554
6. Step 6: Final answer
   x = 3,452,885.17