Finding the Third Proportional to 100,630 and 215,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,630 : 215,350.50 = 215,350.50 : x
2. Step 2: Convert to fraction form
   100,630/215,350.50 = 215,350.50/x
3. Step 3: Cross multiply
   100,630x = 215,350.50 × 215,350.50
4. Step 4: Simplify right side
   100,630x = 46,375,837,850.25
5. Step 5: Solve for x
   x = 46,375,837,850.25/100,630
6. Step 6: Final answer
   x = 460,854.99