Finding the Third Proportional to 98,956.27 and 215,673.89

Step by Step Solution

1. Step 1: Write the proportion equation
   98,956.27 : 215,673.89 = 215,673.89 : x
2. Step 2: Convert to fraction form
   98,956.27/215,673.89 = 215,673.89/x
3. Step 3: Cross multiply
   98,956.27x = 215,673.89 × 215,673.89
4. Step 4: Simplify right side
   98,956.27x = 46,515,227,097.32
5. Step 5: Solve for x
   x = 46,515,227,097.32/98,956.27
6. Step 6: Final answer
   x = 470,058.43