Finding the Third Proportional to 127,224 and 168,216

Step by Step Solution

1. Step 1: Write the proportion equation
   127,224 : 168,216 = 168,216 : x
2. Step 2: Convert to fraction form
   127,224/168,216 = 168,216/x
3. Step 3: Cross multiply
   127,224x = 168,216 × 168,216
4. Step 4: Simplify right side
   127,224x = 28,296,622,656
5. Step 5: Solve for x
   x = 28,296,622,656/127,224
6. Step 6: Final answer
   x = 222,415.76