Finding the Third Proportional to 6,978,882 and 10,503,267

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978,882 : 10,503,267 = 10,503,267 : x
2. Step 2: Convert to fraction form
   6,978,882/10,503,267 = 10,503,267/x
3. Step 3: Cross multiply
   6,978,882x = 10,503,267 × 10,503,267
4. Step 4: Simplify right side
   6,978,882x = 110,318,617,673,289
5. Step 5: Solve for x
   x = 110,318,617,673,289/6,978,882
6. Step 6: Final answer
   x = 15,807,491.47