Finding the Third Proportional to 8,248,851 and 12,479,445

Step by Step Solution

1. Step 1: Write the proportion equation
   8,248,851 : 12,479,445 = 12,479,445 : x
2. Step 2: Convert to fraction form
   8,248,851/12,479,445 = 12,479,445/x
3. Step 3: Cross multiply
   8,248,851x = 12,479,445 × 12,479,445
4. Step 4: Simplify right side
   8,248,851x = 155,736,547,508,025
5. Step 5: Solve for x
   x = 155,736,547,508,025/8,248,851
6. Step 6: Final answer
   x = 18,879,786.71