Finding the Third Proportional to 99,480 and 140,626

Step by Step Solution

1. Step 1: Write the proportion equation
   99,480 : 140,626 = 140,626 : x
2. Step 2: Convert to fraction form
   99,480/140,626 = 140,626/x
3. Step 3: Cross multiply
   99,480x = 140,626 × 140,626
4. Step 4: Simplify right side
   99,480x = 19,775,671,876
5. Step 5: Solve for x
   x = 19,775,671,876/99,480
6. Step 6: Final answer
   x = 198,790.43