Finding the Third Proportional to 19,660 and 41,140

Step by Step Solution

1. Step 1: Write the proportion equation
   19,660 : 41,140 = 41,140 : x
2. Step 2: Convert to fraction form
   19,660/41,140 = 41,140/x
3. Step 3: Cross multiply
   19,660x = 41,140 × 41,140
4. Step 4: Simplify right side
   19,660x = 1,692,499,600
5. Step 5: Solve for x
   x = 1,692,499,600/19,660
6. Step 6: Final answer
   x = 86,088.48