Finding the Third Proportional to 171,679.50 and 363,042

Step by Step Solution

1. Step 1: Write the proportion equation
   171,679.50 : 363,042 = 363,042 : x
2. Step 2: Convert to fraction form
   171,679.50/363,042 = 363,042/x
3. Step 3: Cross multiply
   171,679.50x = 363,042 × 363,042
4. Step 4: Simplify right side
   171,679.50x = 131,799,493,764
5. Step 5: Solve for x
   x = 131,799,493,764/171,679.50
6. Step 6: Final answer
   x = 767,706.65