Finding the Third Proportional to 187,110 and 287,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,110 : 287,584.50 = 287,584.50 : x
2. Step 2: Convert to fraction form
   187,110/287,584.50 = 287,584.50/x
3. Step 3: Cross multiply
   187,110x = 287,584.50 × 287,584.50
4. Step 4: Simplify right side
   187,110x = 82,704,844,640.25
5. Step 5: Solve for x
   x = 82,704,844,640.25/187,110
6. Step 6: Final answer
   x = 442,011.89