Finding the Third Proportional to 79,040 and 174,712

Step by Step Solution

1. Step 1: Write the proportion equation
   79,040 : 174,712 = 174,712 : x
2. Step 2: Convert to fraction form
   79,040/174,712 = 174,712/x
3. Step 3: Cross multiply
   79,040x = 174,712 × 174,712
4. Step 4: Simplify right side
   79,040x = 30,524,282,944
5. Step 5: Solve for x
   x = 30,524,282,944/79,040
6. Step 6: Final answer
   x = 386,187.79