Finding the Third Proportional to 40,620 and 88,692

Step by Step Solution

1. Step 1: Write the proportion equation
   40,620 : 88,692 = 88,692 : x
2. Step 2: Convert to fraction form
   40,620/88,692 = 88,692/x
3. Step 3: Cross multiply
   40,620x = 88,692 × 88,692
4. Step 4: Simplify right side
   40,620x = 7,866,270,864
5. Step 5: Solve for x
   x = 7,866,270,864/40,620
6. Step 6: Final answer
   x = 193,655.12