Finding the Third Proportional to 9,636,666 and 12,847,307

Step by Step Solution

1. Step 1: Write the proportion equation
   9,636,666 : 12,847,307 = 12,847,307 : x
2. Step 2: Convert to fraction form
   9,636,666/12,847,307 = 12,847,307/x
3. Step 3: Cross multiply
   9,636,666x = 12,847,307 × 12,847,307
4. Step 4: Simplify right side
   9,636,666x = 165,053,297,152,249
5. Step 5: Solve for x
   x = 165,053,297,152,249/9,636,666
6. Step 6: Final answer
   x = 17,127,634.93