Finding the Third Proportional to 4,277,644 and 9,511,700

Step by Step Solution

1. Step 1: Write the proportion equation
   4,277,644 : 9,511,700 = 9,511,700 : x
2. Step 2: Convert to fraction form
   4,277,644/9,511,700 = 9,511,700/x
3. Step 3: Cross multiply
   4,277,644x = 9,511,700 × 9,511,700
4. Step 4: Simplify right side
   4,277,644x = 90,472,436,890,000
5. Step 5: Solve for x
   x = 90,472,436,890,000/4,277,644
6. Step 6: Final answer
   x = 21,150,062.25