Finding the Third Proportional to 144,753 and 318,954.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,753 : 318,954.50 = 318,954.50 : x
2. Step 2: Convert to fraction form
   144,753/318,954.50 = 318,954.50/x
3. Step 3: Cross multiply
   144,753x = 318,954.50 × 318,954.50
4. Step 4: Simplify right side
   144,753x = 101,731,973,070.25
5. Step 5: Solve for x
   x = 101,731,973,070.25/144,753
6. Step 6: Final answer
   x = 702,796.99