Finding the Third Proportional to 119,419.50 and 251,799

Step by Step Solution

1. Step 1: Write the proportion equation
   119,419.50 : 251,799 = 251,799 : x
2. Step 2: Convert to fraction form
   119,419.50/251,799 = 251,799/x
3. Step 3: Cross multiply
   119,419.50x = 251,799 × 251,799
4. Step 4: Simplify right side
   119,419.50x = 63,402,736,401
5. Step 5: Solve for x
   x = 63,402,736,401/119,419.50
6. Step 6: Final answer
   x = 530,924.48