Finding the Third Proportional to 8,256,700 and 12,753,192

Step by Step Solution

1. Step 1: Write the proportion equation
   8,256,700 : 12,753,192 = 12,753,192 : x
2. Step 2: Convert to fraction form
   8,256,700/12,753,192 = 12,753,192/x
3. Step 3: Cross multiply
   8,256,700x = 12,753,192 × 12,753,192
4. Step 4: Simplify right side
   8,256,700x = 162,643,906,188,864
5. Step 5: Solve for x
   x = 162,643,906,188,864/8,256,700
6. Step 6: Final answer
   x = 19,698,415.37