Finding the Third Proportional to 4,039,479 and 8,839,089

Step by Step Solution

1. Step 1: Write the proportion equation
   4,039,479 : 8,839,089 = 8,839,089 : x
2. Step 2: Convert to fraction form
   4,039,479/8,839,089 = 8,839,089/x
3. Step 3: Cross multiply
   4,039,479x = 8,839,089 × 8,839,089
4. Step 4: Simplify right side
   4,039,479x = 78,129,494,349,921
5. Step 5: Solve for x
   x = 78,129,494,349,921/4,039,479
6. Step 6: Final answer
   x = 19,341,478.03