Finding the Third Proportional to 98,312 and 215,022

Step by Step Solution

1. Step 1: Write the proportion equation
   98,312 : 215,022 = 215,022 : x
2. Step 2: Convert to fraction form
   98,312/215,022 = 215,022/x
3. Step 3: Cross multiply
   98,312x = 215,022 × 215,022
4. Step 4: Simplify right side
   98,312x = 46,234,460,484
5. Step 5: Solve for x
   x = 46,234,460,484/98,312
6. Step 6: Final answer
   x = 470,282.98