Finding the Third Proportional to 40,290 and 88,356

Step by Step Solution

1. Step 1: Write the proportion equation
   40,290 : 88,356 = 88,356 : x
2. Step 2: Convert to fraction form
   40,290/88,356 = 88,356/x
3. Step 3: Cross multiply
   40,290x = 88,356 × 88,356
4. Step 4: Simplify right side
   40,290x = 7,806,782,736
5. Step 5: Solve for x
   x = 7,806,782,736/40,290
6. Step 6: Final answer
   x = 193,764.77