Finding the Third Proportional to 12,243,976 and 17,699,578.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,243,976 : 17,699,578.50 = 17,699,578.50 : x
2. Step 2: Convert to fraction form
   12,243,976/17,699,578.50 = 17,699,578.50/x
3. Step 3: Cross multiply
   12,243,976x = 17,699,578.50 × 17,699,578.50
4. Step 4: Simplify right side
   12,243,976x = 313,275,079,077,662.25
5. Step 5: Solve for x
   x = 313,275,079,077,662.25/12,243,976
6. Step 6: Final answer
   x = 25,586,057.92