Finding the Third Proportional to 79,426 and 173,090

Step by Step Solution

1. Step 1: Write the proportion equation
   79,426 : 173,090 = 173,090 : x
2. Step 2: Convert to fraction form
   79,426/173,090 = 173,090/x
3. Step 3: Cross multiply
   79,426x = 173,090 × 173,090
4. Step 4: Simplify right side
   79,426x = 29,960,148,100
5. Step 5: Solve for x
   x = 29,960,148,100/79,426
6. Step 6: Final answer
   x = 377,208.32