Finding the Third Proportional to 1,788,560 and 2,658,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788,560 : 2,658,540 = 2,658,540 : x
2. Step 2: Convert to fraction form
   1,788,560/2,658,540 = 2,658,540/x
3. Step 3: Cross multiply
   1,788,560x = 2,658,540 × 2,658,540
4. Step 4: Simplify right side
   1,788,560x = 7,067,834,931,600
5. Step 5: Solve for x
   x = 7,067,834,931,600/1,788,560
6. Step 6: Final answer
   x = 3,951,690.15