Finding the Third Proportional to 98,606 and 215,974

Step by Step Solution

1. Step 1: Write the proportion equation
   98,606 : 215,974 = 215,974 : x
2. Step 2: Convert to fraction form
   98,606/215,974 = 215,974/x
3. Step 3: Cross multiply
   98,606x = 215,974 × 215,974
4. Step 4: Simplify right side
   98,606x = 46,644,768,676
5. Step 5: Solve for x
   x = 46,644,768,676/98,606
6. Step 6: Final answer
   x = 473,041.89