Finding the Third Proportional to 186,178.50 and 287,694

Step by Step Solution

1. Step 1: Write the proportion equation
   186,178.50 : 287,694 = 287,694 : x
2. Step 2: Convert to fraction form
   186,178.50/287,694 = 287,694/x
3. Step 3: Cross multiply
   186,178.50x = 287,694 × 287,694
4. Step 4: Simplify right side
   186,178.50x = 82,767,837,636
5. Step 5: Solve for x
   x = 82,767,837,636/186,178.50
6. Step 6: Final answer
   x = 444,561.74