Finding the Third Proportional to 78,241.50 and 168,930

Step by Step Solution

1. Step 1: Write the proportion equation
   78,241.50 : 168,930 = 168,930 : x
2. Step 2: Convert to fraction form
   78,241.50/168,930 = 168,930/x
3. Step 3: Cross multiply
   78,241.50x = 168,930 × 168,930
4. Step 4: Simplify right side
   78,241.50x = 28,537,344,900
5. Step 5: Solve for x
   x = 28,537,344,900/78,241.50
6. Step 6: Final answer
   x = 364,734.12