Finding the Third Proportional to 2,957,811 and 6,363,956

Step by Step Solution

1. Step 1: Write the proportion equation
   2,957,811 : 6,363,956 = 6,363,956 : x
2. Step 2: Convert to fraction form
   2,957,811/6,363,956 = 6,363,956/x
3. Step 3: Cross multiply
   2,957,811x = 6,363,956 × 6,363,956
4. Step 4: Simplify right side
   2,957,811x = 40,499,935,969,936
5. Step 5: Solve for x
   x = 40,499,935,969,936/2,957,811
6. Step 6: Final answer
   x = 13,692,536.80