Finding the Third Proportional to 90,616 and 137,922

Step by Step Solution

1. Step 1: Write the proportion equation
   90,616 : 137,922 = 137,922 : x
2. Step 2: Convert to fraction form
   90,616/137,922 = 137,922/x
3. Step 3: Cross multiply
   90,616x = 137,922 × 137,922
4. Step 4: Simplify right side
   90,616x = 19,022,478,084
5. Step 5: Solve for x
   x = 19,022,478,084/90,616
6. Step 6: Final answer
   x = 209,924.05