Finding the Third Proportional to 7,948,476 and 12,606,705

Step by Step Solution

1. Step 1: Write the proportion equation
   7,948,476 : 12,606,705 = 12,606,705 : x
2. Step 2: Convert to fraction form
   7,948,476/12,606,705 = 12,606,705/x
3. Step 3: Cross multiply
   7,948,476x = 12,606,705 × 12,606,705
4. Step 4: Simplify right side
   7,948,476x = 158,929,010,957,025
5. Step 5: Solve for x
   x = 158,929,010,957,025/7,948,476
6. Step 6: Final answer
   x = 19,994,903.55