Finding the Third Proportional to 90,193 and 140,199

Step by Step Solution

1. Step 1: Write the proportion equation
   90,193 : 140,199 = 140,199 : x
2. Step 2: Convert to fraction form
   90,193/140,199 = 140,199/x
3. Step 3: Cross multiply
   90,193x = 140,199 × 140,199
4. Step 4: Simplify right side
   90,193x = 19,655,759,601
5. Step 5: Solve for x
   x = 19,655,759,601/90,193
6. Step 6: Final answer
   x = 217,929.99