Finding the Third Proportional to 215,170 and 471,172

Step by Step Solution

1. Step 1: Write the proportion equation
   215,170 : 471,172 = 471,172 : x
2. Step 2: Convert to fraction form
   215,170/471,172 = 471,172/x
3. Step 3: Cross multiply
   215,170x = 471,172 × 471,172
4. Step 4: Simplify right side
   215,170x = 222,003,053,584
5. Step 5: Solve for x
   x = 222,003,053,584/215,170
6. Step 6: Final answer
   x = 1,031,756.53