Finding the Third Proportional to 98,392.50 and 215,253

Step by Step Solution

1. Step 1: Write the proportion equation
   98,392.50 : 215,253 = 215,253 : x
2. Step 2: Convert to fraction form
   98,392.50/215,253 = 215,253/x
3. Step 3: Cross multiply
   98,392.50x = 215,253 × 215,253
4. Step 4: Simplify right side
   98,392.50x = 46,333,854,009
5. Step 5: Solve for x
   x = 46,333,854,009/98,392.50
6. Step 6: Final answer
   x = 470,908.39