Finding the Third Proportional to 168,049.50 and 351,678

Step by Step Solution

1. Step 1: Write the proportion equation
   168,049.50 : 351,678 = 351,678 : x
2. Step 2: Convert to fraction form
   168,049.50/351,678 = 351,678/x
3. Step 3: Cross multiply
   168,049.50x = 351,678 × 351,678
4. Step 4: Simplify right side
   168,049.50x = 123,677,415,684
5. Step 5: Solve for x
   x = 123,677,415,684/168,049.50
6. Step 6: Final answer
   x = 735,958.25