Finding the Third Proportional to 4,287,228 and 9,438,051

Step by Step Solution

1. Step 1: Write the proportion equation
   4,287,228 : 9,438,051 = 9,438,051 : x
2. Step 2: Convert to fraction form
   4,287,228/9,438,051 = 9,438,051/x
3. Step 3: Cross multiply
   4,287,228x = 9,438,051 × 9,438,051
4. Step 4: Simplify right side
   4,287,228x = 89,076,806,678,601
5. Step 5: Solve for x
   x = 89,076,806,678,601/4,287,228
6. Step 6: Final answer
   x = 20,777,249.70