Finding the Third Proportional to 221,231.25 and 335,924.72

Step by Step Solution

1. Step 1: Write the proportion equation
   221,231.25 : 335,924.72 = 335,924.72 : x
2. Step 2: Convert to fraction form
   221,231.25/335,924.72 = 335,924.72/x
3. Step 3: Cross multiply
   221,231.25x = 335,924.72 × 335,924.72
4. Step 4: Simplify right side
   221,231.25x = 112,845,416,667.27
5. Step 5: Solve for x
   x = 112,845,416,667.27/221,231.25
6. Step 6: Final answer
   x = 510,079.01