Finding the Third Proportional to 144,653 and 223,531.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,653 : 223,531.50 = 223,531.50 : x
2. Step 2: Convert to fraction form
   144,653/223,531.50 = 223,531.50/x
3. Step 3: Cross multiply
   144,653x = 223,531.50 × 223,531.50
4. Step 4: Simplify right side
   144,653x = 49,966,331,492.25
5. Step 5: Solve for x
   x = 49,966,331,492.25/144,653
6. Step 6: Final answer
   x = 345,422.02