Finding the Third Proportional to 79,200 and 172,062

Step by Step Solution

1. Step 1: Write the proportion equation
   79,200 : 172,062 = 172,062 : x
2. Step 2: Convert to fraction form
   79,200/172,062 = 172,062/x
3. Step 3: Cross multiply
   79,200x = 172,062 × 172,062
4. Step 4: Simplify right side
   79,200x = 29,605,331,844
5. Step 5: Solve for x
   x = 29,605,331,844/79,200
6. Step 6: Final answer
   x = 373,804.70