Finding the Third Proportional to 78,798 and 168,669

Step by Step Solution

1. Step 1: Write the proportion equation
   78,798 : 168,669 = 168,669 : x
2. Step 2: Convert to fraction form
   78,798/168,669 = 168,669/x
3. Step 3: Cross multiply
   78,798x = 168,669 × 168,669
4. Step 4: Simplify right side
   78,798x = 28,449,231,561
5. Step 5: Solve for x
   x = 28,449,231,561/78,798
6. Step 6: Final answer
   x = 361,040.02