Finding the Third Proportional to 104,179.50 and 215,730

Step by Step Solution

1. Step 1: Write the proportion equation
   104,179.50 : 215,730 = 215,730 : x
2. Step 2: Convert to fraction form
   104,179.50/215,730 = 215,730/x
3. Step 3: Cross multiply
   104,179.50x = 215,730 × 215,730
4. Step 4: Simplify right side
   104,179.50x = 46,539,432,900
5. Step 5: Solve for x
   x = 46,539,432,900/104,179.50
6. Step 6: Final answer
   x = 446,723.52