Finding the Third Proportional to 168,808.50 and 363,618

Step by Step Solution

1. Step 1: Write the proportion equation
   168,808.50 : 363,618 = 363,618 : x
2. Step 2: Convert to fraction form
   168,808.50/363,618 = 363,618/x
3. Step 3: Cross multiply
   168,808.50x = 363,618 × 363,618
4. Step 4: Simplify right side
   168,808.50x = 132,218,049,924
5. Step 5: Solve for x
   x = 132,218,049,924/168,808.50
6. Step 6: Final answer
   x = 783,242.85