Finding the Third Proportional to 4,221,404 and 9,955,242

Step by Step Solution

1. Step 1: Write the proportion equation
   4,221,404 : 9,955,242 = 9,955,242 : x
2. Step 2: Convert to fraction form
   4,221,404/9,955,242 = 9,955,242/x
3. Step 3: Cross multiply
   4,221,404x = 9,955,242 × 9,955,242
4. Step 4: Simplify right side
   4,221,404x = 99,106,843,278,564
5. Step 5: Solve for x
   x = 99,106,843,278,564/4,221,404
6. Step 6: Final answer
   x = 23,477,223.05