Finding the Third Proportional to 88,293 and 188,704.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,293 : 188,704.50 = 188,704.50 : x
2. Step 2: Convert to fraction form
   88,293/188,704.50 = 188,704.50/x
3. Step 3: Cross multiply
   88,293x = 188,704.50 × 188,704.50
4. Step 4: Simplify right side
   88,293x = 35,609,388,320.25
5. Step 5: Solve for x
   x = 35,609,388,320.25/88,293
6. Step 6: Final answer
   x = 403,309.30