Finding the Third Proportional to 201,784.50 and 303,155

Step by Step Solution

1. Step 1: Write the proportion equation
   201,784.50 : 303,155 = 303,155 : x
2. Step 2: Convert to fraction form
   201,784.50/303,155 = 303,155/x
3. Step 3: Cross multiply
   201,784.50x = 303,155 × 303,155
4. Step 4: Simplify right side
   201,784.50x = 91,902,954,025
5. Step 5: Solve for x
   x = 91,902,954,025/201,784.50
6. Step 6: Final answer
   x = 455,451.01