Finding the Third Proportional to 82,713 and 179,430

Step by Step Solution

1. Step 1: Write the proportion equation
   82,713 : 179,430 = 179,430 : x
2. Step 2: Convert to fraction form
   82,713/179,430 = 179,430/x
3. Step 3: Cross multiply
   82,713x = 179,430 × 179,430
4. Step 4: Simplify right side
   82,713x = 32,195,124,900
5. Step 5: Solve for x
   x = 32,195,124,900/82,713
6. Step 6: Final answer
   x = 389,238.99