Finding the Third Proportional to 78,915 and 168,932.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,915 : 168,932.25 = 168,932.25 : x
2. Step 2: Convert to fraction form
   78,915/168,932.25 = 168,932.25/x
3. Step 3: Cross multiply
   78,915x = 168,932.25 × 168,932.25
4. Step 4: Simplify right side
   78,915x = 28,538,105,090.06
5. Step 5: Solve for x
   x = 28,538,105,090.06/78,915
6. Step 6: Final answer
   x = 361,630.93