Finding the Third Proportional to 94,990 and 141,020

Step by Step Solution

1. Step 1: Write the proportion equation
   94,990 : 141,020 = 141,020 : x
2. Step 2: Convert to fraction form
   94,990/141,020 = 141,020/x
3. Step 3: Cross multiply
   94,990x = 141,020 × 141,020
4. Step 4: Simplify right side
   94,990x = 19,886,640,400
5. Step 5: Solve for x
   x = 19,886,640,400/94,990
6. Step 6: Final answer
   x = 209,355.09