Finding the Third Proportional to 3,218,860 and 4,510,926

Step by Step Solution

1. Step 1: Write the proportion equation
   3,218,860 : 4,510,926 = 4,510,926 : x
2. Step 2: Convert to fraction form
   3,218,860/4,510,926 = 4,510,926/x
3. Step 3: Cross multiply
   3,218,860x = 4,510,926 × 4,510,926
4. Step 4: Simplify right side
   3,218,860x = 20,348,453,377,476
5. Step 5: Solve for x
   x = 20,348,453,377,476/3,218,860
6. Step 6: Final answer
   x = 6,321,633.55