Finding the Third Proportional to 144,970.50 and 204,151.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,970.50 : 204,151.50 = 204,151.50 : x
2. Step 2: Convert to fraction form
   144,970.50/204,151.50 = 204,151.50/x
3. Step 3: Cross multiply
   144,970.50x = 204,151.50 × 204,151.50
4. Step 4: Simplify right side
   144,970.50x = 41,677,834,952.25
5. Step 5: Solve for x
   x = 41,677,834,952.25/144,970.50
6. Step 6: Final answer
   x = 287,491.83