Finding the Third Proportional to 4,923,536 and 10,238,464

Step by Step Solution

1. Step 1: Write the proportion equation
   4,923,536 : 10,238,464 = 10,238,464 : x
2. Step 2: Convert to fraction form
   4,923,536/10,238,464 = 10,238,464/x
3. Step 3: Cross multiply
   4,923,536x = 10,238,464 × 10,238,464
4. Step 4: Simplify right side
   4,923,536x = 104,826,145,079,296
5. Step 5: Solve for x
   x = 104,826,145,079,296/4,923,536
6. Step 6: Final answer
   x = 21,290,825.35