Finding the Third Proportional to 10,238,828 and 21,997,254

Step by Step Solution

1. Step 1: Write the proportion equation
   10,238,828 : 21,997,254 = 21,997,254 : x
2. Step 2: Convert to fraction form
   10,238,828/21,997,254 = 21,997,254/x
3. Step 3: Cross multiply
   10,238,828x = 21,997,254 × 21,997,254
4. Step 4: Simplify right side
   10,238,828x = 483,879,183,540,516
5. Step 5: Solve for x
   x = 483,879,183,540,516/10,238,828
6. Step 6: Final answer
   x = 47,259,235.48