Finding the Third Proportional to 90,706 and 140,796

Step by Step Solution

1. Step 1: Write the proportion equation
   90,706 : 140,796 = 140,796 : x
2. Step 2: Convert to fraction form
   90,706/140,796 = 140,796/x
3. Step 3: Cross multiply
   90,706x = 140,796 × 140,796
4. Step 4: Simplify right side
   90,706x = 19,823,513,616
5. Step 5: Solve for x
   x = 19,823,513,616/90,706
6. Step 6: Final answer
   x = 218,546.88