Finding the Third Proportional to 9,686,636 and 20,554,000

Step by Step Solution

1. Step 1: Write the proportion equation
   9,686,636 : 20,554,000 = 20,554,000 : x
2. Step 2: Convert to fraction form
   9,686,636/20,554,000 = 20,554,000/x
3. Step 3: Cross multiply
   9,686,636x = 20,554,000 × 20,554,000
4. Step 4: Simplify right side
   9,686,636x = 422,466,916,000,000
5. Step 5: Solve for x
   x = 422,466,916,000,000/9,686,636
6. Step 6: Final answer
   x = 43,613,377.85