Finding the Third Proportional to 214,464 and 471,228

Step by Step Solution

1. Step 1: Write the proportion equation
   214,464 : 471,228 = 471,228 : x
2. Step 2: Convert to fraction form
   214,464/471,228 = 471,228/x
3. Step 3: Cross multiply
   214,464x = 471,228 × 471,228
4. Step 4: Simplify right side
   214,464x = 222,055,827,984
5. Step 5: Solve for x
   x = 222,055,827,984/214,464
6. Step 6: Final answer
   x = 1,035,399.08