Finding the Third Proportional to 90,800 and 140,924

Step by Step Solution

1. Step 1: Write the proportion equation
   90,800 : 140,924 = 140,924 : x
2. Step 2: Convert to fraction form
   90,800/140,924 = 140,924/x
3. Step 3: Cross multiply
   90,800x = 140,924 × 140,924
4. Step 4: Simplify right side
   90,800x = 19,859,573,776
5. Step 5: Solve for x
   x = 19,859,573,776/90,800
6. Step 6: Final answer
   x = 218,717.77