Finding the Third Proportional to 98,968.50 and 215,697

Step by Step Solution

1. Step 1: Write the proportion equation
   98,968.50 : 215,697 = 215,697 : x
2. Step 2: Convert to fraction form
   98,968.50/215,697 = 215,697/x
3. Step 3: Cross multiply
   98,968.50x = 215,697 × 215,697
4. Step 4: Simplify right side
   98,968.50x = 46,525,195,809
5. Step 5: Solve for x
   x = 46,525,195,809/98,968.50
6. Step 6: Final answer
   x = 470,101.05