Finding the Third Proportional to 144,752 and 318,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,752 : 318,951.50 = 318,951.50 : x
2. Step 2: Convert to fraction form
   144,752/318,951.50 = 318,951.50/x
3. Step 3: Cross multiply
   144,752x = 318,951.50 × 318,951.50
4. Step 4: Simplify right side
   144,752x = 101,730,059,352.25
5. Step 5: Solve for x
   x = 101,730,059,352.25/144,752
6. Step 6: Final answer
   x = 702,788.63