Finding the Third Proportional to 187,007.50 and 400,806

Step by Step Solution

1. Step 1: Write the proportion equation
   187,007.50 : 400,806 = 400,806 : x
2. Step 2: Convert to fraction form
   187,007.50/400,806 = 400,806/x
3. Step 3: Cross multiply
   187,007.50x = 400,806 × 400,806
4. Step 4: Simplify right side
   187,007.50x = 160,645,449,636
5. Step 5: Solve for x
   x = 160,645,449,636/187,007.50
6. Step 6: Final answer
   x = 859,032.12