Finding the Third Proportional to 9,636,648 and 12,847,284

Step by Step Solution

1. Step 1: Write the proportion equation
   9,636,648 : 12,847,284 = 12,847,284 : x
2. Step 2: Convert to fraction form
   9,636,648/12,847,284 = 12,847,284/x
3. Step 3: Cross multiply
   9,636,648x = 12,847,284 × 12,847,284
4. Step 4: Simplify right side
   9,636,648x = 165,052,706,176,656
5. Step 5: Solve for x
   x = 165,052,706,176,656/9,636,648
6. Step 6: Final answer
   x = 17,127,605.59