Finding the Third Proportional to 91,743.75 and 200,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,743.75 : 200,971.50 = 200,971.50 : x
2. Step 2: Convert to fraction form
   91,743.75/200,971.50 = 200,971.50/x
3. Step 3: Cross multiply
   91,743.75x = 200,971.50 × 200,971.50
4. Step 4: Simplify right side
   91,743.75x = 40,389,543,812.25
5. Step 5: Solve for x
   x = 40,389,543,812.25/91,743.75
6. Step 6: Final answer
   x = 440,243.00