Finding the Third Proportional to 201,039.50 and 442,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   201,039.50 : 442,059.50 = 442,059.50 : x
2. Step 2: Convert to fraction form
   201,039.50/442,059.50 = 442,059.50/x
3. Step 3: Cross multiply
   201,039.50x = 442,059.50 × 442,059.50
4. Step 4: Simplify right side
   201,039.50x = 195,416,601,540.25
5. Step 5: Solve for x
   x = 195,416,601,540.25/201,039.50
6. Step 6: Final answer
   x = 972,030.88