Finding the Third Proportional to 187,336 and 442,216

Step by Step Solution

1. Step 1: Write the proportion equation
   187,336 : 442,216 = 442,216 : x
2. Step 2: Convert to fraction form
   187,336/442,216 = 442,216/x
3. Step 3: Cross multiply
   187,336x = 442,216 × 442,216
4. Step 4: Simplify right side
   187,336x = 195,554,990,656
5. Step 5: Solve for x
   x = 195,554,990,656/187,336
6. Step 6: Final answer
   x = 1,043,872.99