Finding the Third Proportional to 214,436 and 471,212

Step by Step Solution

1. Step 1: Write the proportion equation
   214,436 : 471,212 = 471,212 : x
2. Step 2: Convert to fraction form
   214,436/471,212 = 471,212/x
3. Step 3: Cross multiply
   214,436x = 471,212 × 471,212
4. Step 4: Simplify right side
   214,436x = 222,040,748,944
5. Step 5: Solve for x
   x = 222,040,748,944/214,436
6. Step 6: Final answer
   x = 1,035,463.96