Finding the Third Proportional to 217,830 and 469,032

Step by Step Solution

1. Step 1: Write the proportion equation
   217,830 : 469,032 = 469,032 : x
2. Step 2: Convert to fraction form
   217,830/469,032 = 469,032/x
3. Step 3: Cross multiply
   217,830x = 469,032 × 469,032
4. Step 4: Simplify right side
   217,830x = 219,991,017,024
5. Step 5: Solve for x
   x = 219,991,017,024/217,830
6. Step 6: Final answer
   x = 1,009,920.66