Finding the Third Proportional to 103,630 and 215,050

Step by Step Solution

1. Step 1: Write the proportion equation
   103,630 : 215,050 = 215,050 : x
2. Step 2: Convert to fraction form
   103,630/215,050 = 215,050/x
3. Step 3: Cross multiply
   103,630x = 215,050 × 215,050
4. Step 4: Simplify right side
   103,630x = 46,246,502,500
5. Step 5: Solve for x
   x = 46,246,502,500/103,630
6. Step 6: Final answer
   x = 446,265.58