Finding the Third Proportional to 187,411.50 and 301,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,411.50 : 301,816.50 = 301,816.50 : x
2. Step 2: Convert to fraction form
   187,411.50/301,816.50 = 301,816.50/x
3. Step 3: Cross multiply
   187,411.50x = 301,816.50 × 301,816.50
4. Step 4: Simplify right side
   187,411.50x = 91,093,199,672.25
5. Step 5: Solve for x
   x = 91,093,199,672.25/187,411.50
6. Step 6: Final answer
   x = 486,059.82