Finding the Third Proportional to 4,564,380 and 9,638,049

Step by Step Solution

1. Step 1: Write the proportion equation
   4,564,380 : 9,638,049 = 9,638,049 : x
2. Step 2: Convert to fraction form
   4,564,380/9,638,049 = 9,638,049/x
3. Step 3: Cross multiply
   4,564,380x = 9,638,049 × 9,638,049
4. Step 4: Simplify right side
   4,564,380x = 92,891,988,526,401
5. Step 5: Solve for x
   x = 92,891,988,526,401/4,564,380
6. Step 6: Final answer
   x = 20,351,501.96