Finding the Third Proportional to 217,730 and 482,116

Step by Step Solution

1. Step 1: Write the proportion equation
   217,730 : 482,116 = 482,116 : x
2. Step 2: Convert to fraction form
   217,730/482,116 = 482,116/x
3. Step 3: Cross multiply
   217,730x = 482,116 × 482,116
4. Step 4: Simplify right side
   217,730x = 232,435,837,456
5. Step 5: Solve for x
   x = 232,435,837,456/217,730
6. Step 6: Final answer
   x = 1,067,541.62