Finding the Third Proportional to 88,904 and 137,616

Step by Step Solution

1. Step 1: Write the proportion equation
   88,904 : 137,616 = 137,616 : x
2. Step 2: Convert to fraction form
   88,904/137,616 = 137,616/x
3. Step 3: Cross multiply
   88,904x = 137,616 × 137,616
4. Step 4: Simplify right side
   88,904x = 18,938,163,456
5. Step 5: Solve for x
   x = 18,938,163,456/88,904
6. Step 6: Final answer
   x = 213,018.13