Finding the Third Proportional to 188,302 and 263,377.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,302 : 263,377.50 = 263,377.50 : x
2. Step 2: Convert to fraction form
   188,302/263,377.50 = 263,377.50/x
3. Step 3: Cross multiply
   188,302x = 263,377.50 × 263,377.50
4. Step 4: Simplify right side
   188,302x = 69,367,707,506.25
5. Step 5: Solve for x
   x = 69,367,707,506.25/188,302
6. Step 6: Final answer
   x = 368,385.40