Finding the Third Proportional to 564,144 and 1,231,168

Step by Step Solution

1. Step 1: Write the proportion equation
   564,144 : 1,231,168 = 1,231,168 : x
2. Step 2: Convert to fraction form
   564,144/1,231,168 = 1,231,168/x
3. Step 3: Cross multiply
   564,144x = 1,231,168 × 1,231,168
4. Step 4: Simplify right side
   564,144x = 1,515,774,644,224
5. Step 5: Solve for x
   x = 1,515,774,644,224/564,144
6. Step 6: Final answer
   x = 2,686,857.69