Finding the Third Proportional to 217,042 and 469,174

Step by Step Solution

1. Step 1: Write the proportion equation
   217,042 : 469,174 = 469,174 : x
2. Step 2: Convert to fraction form
   217,042/469,174 = 469,174/x
3. Step 3: Cross multiply
   217,042x = 469,174 × 469,174
4. Step 4: Simplify right side
   217,042x = 220,124,242,276
5. Step 5: Solve for x
   x = 220,124,242,276/217,042
6. Step 6: Final answer
   x = 1,014,201.13