Finding the Third Proportional to 8,245,243 and 12,839,023.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,245,243 : 12,839,023.50 = 12,839,023.50 : x
2. Step 2: Convert to fraction form
   8,245,243/12,839,023.50 = 12,839,023.50/x
3. Step 3: Cross multiply
   8,245,243x = 12,839,023.50 × 12,839,023.50
4. Step 4: Simplify right side
   8,245,243x = 164,840,524,433,552.25
5. Step 5: Solve for x
   x = 164,840,524,433,552.25/8,245,243
6. Step 6: Final answer
   x = 19,992,197.25