Finding the Third Proportional to 19,870 and 41,374

Step by Step Solution

1. Step 1: Write the proportion equation
   19,870 : 41,374 = 41,374 : x
2. Step 2: Convert to fraction form
   19,870/41,374 = 41,374/x
3. Step 3: Cross multiply
   19,870x = 41,374 × 41,374
4. Step 4: Simplify right side
   19,870x = 1,711,807,876
5. Step 5: Solve for x
   x = 1,711,807,876/19,870
6. Step 6: Final answer
   x = 86,150.37