Finding the Third Proportional to 2,659,458 and 5,878,788

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659,458 : 5,878,788 = 5,878,788 : x
2. Step 2: Convert to fraction form
   2,659,458/5,878,788 = 5,878,788/x
3. Step 3: Cross multiply
   2,659,458x = 5,878,788 × 5,878,788
4. Step 4: Simplify right side
   2,659,458x = 34,560,148,348,944
5. Step 5: Solve for x
   x = 34,560,148,348,944/2,659,458
6. Step 6: Final answer
   x = 12,995,184.86