Finding the Third Proportional to 187,300.50 and 304,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,300.50 : 304,309.50 = 304,309.50 : x
2. Step 2: Convert to fraction form
   187,300.50/304,309.50 = 304,309.50/x
3. Step 3: Cross multiply
   187,300.50x = 304,309.50 × 304,309.50
4. Step 4: Simplify right side
   187,300.50x = 92,604,271,790.25
5. Step 5: Solve for x
   x = 92,604,271,790.25/187,300.50
6. Step 6: Final answer
   x = 494,415.51