Finding the Third Proportional to 99,501.50 and 204,843

Step by Step Solution

1. Step 1: Write the proportion equation
   99,501.50 : 204,843 = 204,843 : x
2. Step 2: Convert to fraction form
   99,501.50/204,843 = 204,843/x
3. Step 3: Cross multiply
   99,501.50x = 204,843 × 204,843
4. Step 4: Simplify right side
   99,501.50x = 41,960,654,649
5. Step 5: Solve for x
   x = 41,960,654,649/99,501.50
6. Step 6: Final answer
   x = 421,708.76