Finding the Third Proportional to 18,870 and 41,472

Step by Step Solution

1. Step 1: Write the proportion equation
   18,870 : 41,472 = 41,472 : x
2. Step 2: Convert to fraction form
   18,870/41,472 = 41,472/x
3. Step 3: Cross multiply
   18,870x = 41,472 × 41,472
4. Step 4: Simplify right side
   18,870x = 1,719,926,784
5. Step 5: Solve for x
   x = 1,719,926,784/18,870
6. Step 6: Final answer
   x = 91,146.09