Finding the Third Proportional to 79,152.19 and 164,865.38

Step by Step Solution

1. Step 1: Write the proportion equation
   79,152.19 : 164,865.38 = 164,865.38 : x
2. Step 2: Convert to fraction form
   79,152.19/164,865.38 = 164,865.38/x
3. Step 3: Cross multiply
   79,152.19x = 164,865.38 × 164,865.38
4. Step 4: Simplify right side
   79,152.19x = 27,180,591,873.89
5. Step 5: Solve for x
   x = 27,180,591,873.89/79,152.19
6. Step 6: Final answer
   x = 343,396.60