Finding the Third Proportional to 217,040 and 469,170

Step by Step Solution

1. Step 1: Write the proportion equation
   217,040 : 469,170 = 469,170 : x
2. Step 2: Convert to fraction form
   217,040/469,170 = 469,170/x
3. Step 3: Cross multiply
   217,040x = 469,170 × 469,170
4. Step 4: Simplify right side
   217,040x = 220,120,488,900
5. Step 5: Solve for x
   x = 220,120,488,900/217,040
6. Step 6: Final answer
   x = 1,014,193.19