Finding the Third Proportional to 80,798 and 173,590

Step by Step Solution

1. Step 1: Write the proportion equation
   80,798 : 173,590 = 173,590 : x
2. Step 2: Convert to fraction form
   80,798/173,590 = 173,590/x
3. Step 3: Cross multiply
   80,798x = 173,590 × 173,590
4. Step 4: Simplify right side
   80,798x = 30,133,488,100
5. Step 5: Solve for x
   x = 30,133,488,100/80,798
6. Step 6: Final answer
   x = 372,948.44