Finding the Third Proportional to 4,287,225 and 9,438,043

Step by Step Solution

1. Step 1: Write the proportion equation
   4,287,225 : 9,438,043 = 9,438,043 : x
2. Step 2: Convert to fraction form
   4,287,225/9,438,043 = 9,438,043/x
3. Step 3: Cross multiply
   4,287,225x = 9,438,043 × 9,438,043
4. Step 4: Simplify right side
   4,287,225x = 89,076,655,669,849
5. Step 5: Solve for x
   x = 89,076,655,669,849/4,287,225
6. Step 6: Final answer
   x = 20,777,229.02