Finding the Third Proportional to 40,671 and 60,790

Step by Step Solution

1. Step 1: Write the proportion equation
   40,671 : 60,790 = 60,790 : x
2. Step 2: Convert to fraction form
   40,671/60,790 = 60,790/x
3. Step 3: Cross multiply
   40,671x = 60,790 × 60,790
4. Step 4: Simplify right side
   40,671x = 3,695,424,100
5. Step 5: Solve for x
   x = 3,695,424,100/40,671
6. Step 6: Final answer
   x = 90,861.40