Finding the Third Proportional to 78,469 and 169,973

Step by Step Solution

1. Step 1: Write the proportion equation
   78,469 : 169,973 = 169,973 : x
2. Step 2: Convert to fraction form
   78,469/169,973 = 169,973/x
3. Step 3: Cross multiply
   78,469x = 169,973 × 169,973
4. Step 4: Simplify right side
   78,469x = 28,890,820,729
5. Step 5: Solve for x
   x = 28,890,820,729/78,469
6. Step 6: Final answer
   x = 368,181.33