Finding the Third Proportional to 3,971,244 and 8,670,759

Step by Step Solution

1. Step 1: Write the proportion equation
   3,971,244 : 8,670,759 = 8,670,759 : x
2. Step 2: Convert to fraction form
   3,971,244/8,670,759 = 8,670,759/x
3. Step 3: Cross multiply
   3,971,244x = 8,670,759 × 8,670,759
4. Step 4: Simplify right side
   3,971,244x = 75,182,061,636,081
5. Step 5: Solve for x
   x = 75,182,061,636,081/3,971,244
6. Step 6: Final answer
   x = 18,931,614.79