Finding the Third Proportional to 1,260,857 and 2,766,658

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,857 : 2,766,658 = 2,766,658 : x
2. Step 2: Convert to fraction form
   1,260,857/2,766,658 = 2,766,658/x
3. Step 3: Cross multiply
   1,260,857x = 2,766,658 × 2,766,658
4. Step 4: Simplify right side
   1,260,857x = 7,654,396,488,964
5. Step 5: Solve for x
   x = 7,654,396,488,964/1,260,857
6. Step 6: Final answer
   x = 6,070,788.75