Finding the Third Proportional to 1,156,730 and 1,728,290

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156,730 : 1,728,290 = 1,728,290 : x
2. Step 2: Convert to fraction form
   1,156,730/1,728,290 = 1,728,290/x
3. Step 3: Cross multiply
   1,156,730x = 1,728,290 × 1,728,290
4. Step 4: Simplify right side
   1,156,730x = 2,986,986,324,100
5. Step 5: Solve for x
   x = 2,986,986,324,100/1,156,730
6. Step 6: Final answer
   x = 2,582,267.53