Finding the Third Proportional to 78,784.50 and 168,644

Step by Step Solution

1. Step 1: Write the proportion equation
   78,784.50 : 168,644 = 168,644 : x
2. Step 2: Convert to fraction form
   78,784.50/168,644 = 168,644/x
3. Step 3: Cross multiply
   78,784.50x = 168,644 × 168,644
4. Step 4: Simplify right side
   78,784.50x = 28,440,798,736
5. Step 5: Solve for x
   x = 28,440,798,736/78,784.50
6. Step 6: Final answer
   x = 360,994.85