Finding the Third Proportional to 98,636 and 215,722

Step by Step Solution

1. Step 1: Write the proportion equation
   98,636 : 215,722 = 215,722 : x
2. Step 2: Convert to fraction form
   98,636/215,722 = 215,722/x
3. Step 3: Cross multiply
   98,636x = 215,722 × 215,722
4. Step 4: Simplify right side
   98,636x = 46,535,981,284
5. Step 5: Solve for x
   x = 46,535,981,284/98,636
6. Step 6: Final answer
   x = 471,795.10