Finding the Third Proportional to 2,956,778 and 6,415,468

Step by Step Solution

1. Step 1: Write the proportion equation
   2,956,778 : 6,415,468 = 6,415,468 : x
2. Step 2: Convert to fraction form
   2,956,778/6,415,468 = 6,415,468/x
3. Step 3: Cross multiply
   2,956,778x = 6,415,468 × 6,415,468
4. Step 4: Simplify right side
   2,956,778x = 41,158,229,659,024
5. Step 5: Solve for x
   x = 41,158,229,659,024/2,956,778
6. Step 6: Final answer
   x = 13,919,959.38