Finding the Third Proportional to 4,923,512 and 10,238,416

Step by Step Solution

1. Step 1: Write the proportion equation
   4,923,512 : 10,238,416 = 10,238,416 : x
2. Step 2: Convert to fraction form
   4,923,512/10,238,416 = 10,238,416/x
3. Step 3: Cross multiply
   4,923,512x = 10,238,416 × 10,238,416
4. Step 4: Simplify right side
   4,923,512x = 104,825,162,189,056
5. Step 5: Solve for x
   x = 104,825,162,189,056/4,923,512
6. Step 6: Final answer
   x = 21,290,729.50