Finding the Third Proportional to 3,396,870 and 5,213,241

Step by Step Solution

1. Step 1: Write the proportion equation
   3,396,870 : 5,213,241 = 5,213,241 : x
2. Step 2: Convert to fraction form
   3,396,870/5,213,241 = 5,213,241/x
3. Step 3: Cross multiply
   3,396,870x = 5,213,241 × 5,213,241
4. Step 4: Simplify right side
   3,396,870x = 27,177,881,724,081
5. Step 5: Solve for x
   x = 27,177,881,724,081/3,396,870
6. Step 6: Final answer
   x = 8,000,860.12