Finding the Third Proportional to 79,060 and 172,712

Step by Step Solution

1. Step 1: Write the proportion equation
   79,060 : 172,712 = 172,712 : x
2. Step 2: Convert to fraction form
   79,060/172,712 = 172,712/x
3. Step 3: Cross multiply
   79,060x = 172,712 × 172,712
4. Step 4: Simplify right side
   79,060x = 29,829,434,944
5. Step 5: Solve for x
   x = 29,829,434,944/79,060
6. Step 6: Final answer
   x = 377,301.23