Finding the Third Proportional to 6,839,478 and 10,673,289

Step by Step Solution

1. Step 1: Write the proportion equation
   6,839,478 : 10,673,289 = 10,673,289 : x
2. Step 2: Convert to fraction form
   6,839,478/10,673,289 = 10,673,289/x
3. Step 3: Cross multiply
   6,839,478x = 10,673,289 × 10,673,289
4. Step 4: Simplify right side
   6,839,478x = 113,919,098,077,521
5. Step 5: Solve for x
   x = 113,919,098,077,521/6,839,478
6. Step 6: Final answer
   x = 16,656,110.02