Finding the Third Proportional to 40,739 and 88,390

Step by Step Solution

1. Step 1: Write the proportion equation
   40,739 : 88,390 = 88,390 : x
2. Step 2: Convert to fraction form
   40,739/88,390 = 88,390/x
3. Step 3: Cross multiply
   40,739x = 88,390 × 88,390
4. Step 4: Simplify right side
   40,739x = 7,812,792,100
5. Step 5: Solve for x
   x = 7,812,792,100/40,739
6. Step 6: Final answer
   x = 191,776.73