Finding the Third Proportional to 79,431 and 171,066

Step by Step Solution

1. Step 1: Write the proportion equation
   79,431 : 171,066 = 171,066 : x
2. Step 2: Convert to fraction form
   79,431/171,066 = 171,066/x
3. Step 3: Cross multiply
   79,431x = 171,066 × 171,066
4. Step 4: Simplify right side
   79,431x = 29,263,576,356
5. Step 5: Solve for x
   x = 29,263,576,356/79,431
6. Step 6: Final answer
   x = 368,415.06