Finding the Third Proportional to 217,884 and 469,134

Step by Step Solution

1. Step 1: Write the proportion equation
   217,884 : 469,134 = 469,134 : x
2. Step 2: Convert to fraction form
   217,884/469,134 = 469,134/x
3. Step 3: Cross multiply
   217,884x = 469,134 × 469,134
4. Step 4: Simplify right side
   217,884x = 220,086,709,956
5. Step 5: Solve for x
   x = 220,086,709,956/217,884
6. Step 6: Final answer
   x = 1,010,109.55