Finding the Third Proportional to 4,824,890 and 10,609,308

Step by Step Solution

1. Step 1: Write the proportion equation
   4,824,890 : 10,609,308 = 10,609,308 : x
2. Step 2: Convert to fraction form
   4,824,890/10,609,308 = 10,609,308/x
3. Step 3: Cross multiply
   4,824,890x = 10,609,308 × 10,609,308
4. Step 4: Simplify right side
   4,824,890x = 112,557,416,238,864
5. Step 5: Solve for x
   x = 112,557,416,238,864/4,824,890
6. Step 6: Final answer
   x = 23,328,493.76