Finding the Third Proportional to 4,296,491 and 9,359,890

Step by Step Solution

1. Step 1: Write the proportion equation
   4,296,491 : 9,359,890 = 9,359,890 : x
2. Step 2: Convert to fraction form
   4,296,491/9,359,890 = 9,359,890/x
3. Step 3: Cross multiply
   4,296,491x = 9,359,890 × 9,359,890
4. Step 4: Simplify right side
   4,296,491x = 87,607,540,812,100
5. Step 5: Solve for x
   x = 87,607,540,812,100/4,296,491
6. Step 6: Final answer
   x = 20,390,486.29