Finding the Third Proportional to 79,572 and 173,208

Step by Step Solution

1. Step 1: Write the proportion equation
   79,572 : 173,208 = 173,208 : x
2. Step 2: Convert to fraction form
   79,572/173,208 = 173,208/x
3. Step 3: Cross multiply
   79,572x = 173,208 × 173,208
4. Step 4: Simplify right side
   79,572x = 30,001,011,264
5. Step 5: Solve for x
   x = 30,001,011,264/79,572
6. Step 6: Final answer
   x = 377,029.75