Finding the Third Proportional to 6,645,948 and 9,957,834

Step by Step Solution

1. Step 1: Write the proportion equation
   6,645,948 : 9,957,834 = 9,957,834 : x
2. Step 2: Convert to fraction form
   6,645,948/9,957,834 = 9,957,834/x
3. Step 3: Cross multiply
   6,645,948x = 9,957,834 × 9,957,834
4. Step 4: Simplify right side
   6,645,948x = 99,158,457,971,556
5. Step 5: Solve for x
   x = 99,158,457,971,556/6,645,948
6. Step 6: Final answer
   x = 14,920,137.50