Finding the Third Proportional to 90,790 and 140,014

Step by Step Solution

1. Step 1: Write the proportion equation
   90,790 : 140,014 = 140,014 : x
2. Step 2: Convert to fraction form
   90,790/140,014 = 140,014/x
3. Step 3: Cross multiply
   90,790x = 140,014 × 140,014
4. Step 4: Simplify right side
   90,790x = 19,603,920,196
5. Step 5: Solve for x
   x = 19,603,920,196/90,790
6. Step 6: Final answer
   x = 215,925.99