Finding the Third Proportional to 79,282.50 and 165,123

Step by Step Solution

1. Step 1: Write the proportion equation
   79,282.50 : 165,123 = 165,123 : x
2. Step 2: Convert to fraction form
   79,282.50/165,123 = 165,123/x
3. Step 3: Cross multiply
   79,282.50x = 165,123 × 165,123
4. Step 4: Simplify right side
   79,282.50x = 27,265,605,129
5. Step 5: Solve for x
   x = 27,265,605,129/79,282.50
6. Step 6: Final answer
   x = 343,904.46