Finding the Third Proportional to 8,426,176 and 12,713,824

Step by Step Solution

1. Step 1: Write the proportion equation
   8,426,176 : 12,713,824 = 12,713,824 : x
2. Step 2: Convert to fraction form
   8,426,176/12,713,824 = 12,713,824/x
3. Step 3: Cross multiply
   8,426,176x = 12,713,824 × 12,713,824
4. Step 4: Simplify right side
   8,426,176x = 161,641,320,702,976
5. Step 5: Solve for x
   x = 161,641,320,702,976/8,426,176
6. Step 6: Final answer
   x = 19,183,235.75