Finding the Third Proportional to 144,144 and 231,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,144 : 231,601.50 = 231,601.50 : x
2. Step 2: Convert to fraction form
   144,144/231,601.50 = 231,601.50/x
3. Step 3: Cross multiply
   144,144x = 231,601.50 × 231,601.50
4. Step 4: Simplify right side
   144,144x = 53,639,254,802.25
5. Step 5: Solve for x
   x = 53,639,254,802.25/144,144
6. Step 6: Final answer
   x = 372,122.70