Finding the Third Proportional to 103,956 and 215,328

Step by Step Solution

1. Step 1: Write the proportion equation
   103,956 : 215,328 = 215,328 : x
2. Step 2: Convert to fraction form
   103,956/215,328 = 215,328/x
3. Step 3: Cross multiply
   103,956x = 215,328 × 215,328
4. Step 4: Simplify right side
   103,956x = 46,366,147,584
5. Step 5: Solve for x
   x = 46,366,147,584/103,956
6. Step 6: Final answer
   x = 446,017.04