Finding the Third Proportional to 40,719 and 62,290

Step by Step Solution

1. Step 1: Write the proportion equation
   40,719 : 62,290 = 62,290 : x
2. Step 2: Convert to fraction form
   40,719/62,290 = 62,290/x
3. Step 3: Cross multiply
   40,719x = 62,290 × 62,290
4. Step 4: Simplify right side
   40,719x = 3,880,044,100
5. Step 5: Solve for x
   x = 3,880,044,100/40,719
6. Step 6: Final answer
   x = 95,288.30