Finding the Third Proportional to 88,338 and 136,480.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,338 : 136,480.50 = 136,480.50 : x
2. Step 2: Convert to fraction form
   88,338/136,480.50 = 136,480.50/x
3. Step 3: Cross multiply
   88,338x = 136,480.50 × 136,480.50
4. Step 4: Simplify right side
   88,338x = 18,626,926,880.25
5. Step 5: Solve for x
   x = 18,626,926,880.25/88,338
6. Step 6: Final answer
   x = 210,859.73