Finding the Third Proportional to 187,954.50 and 287,886

Step by Step Solution

1. Step 1: Write the proportion equation
   187,954.50 : 287,886 = 287,886 : x
2. Step 2: Convert to fraction form
   187,954.50/287,886 = 287,886/x
3. Step 3: Cross multiply
   187,954.50x = 287,886 × 287,886
4. Step 4: Simplify right side
   187,954.50x = 82,878,348,996
5. Step 5: Solve for x
   x = 82,878,348,996/187,954.50
6. Step 6: Final answer
   x = 440,949.00