Finding the Third Proportional to 3,396,874 and 5,213,248

Step by Step Solution

1. Step 1: Write the proportion equation
   3,396,874 : 5,213,248 = 5,213,248 : x
2. Step 2: Convert to fraction form
   3,396,874/5,213,248 = 5,213,248/x
3. Step 3: Cross multiply
   3,396,874x = 5,213,248 × 5,213,248
4. Step 4: Simplify right side
   3,396,874x = 27,177,954,709,504
5. Step 5: Solve for x
   x = 27,177,954,709,504/3,396,874
6. Step 6: Final answer
   x = 8,000,872.19