Finding the Third Proportional to 188,360 and 413,300

Step by Step Solution

1. Step 1: Write the proportion equation
   188,360 : 413,300 = 413,300 : x
2. Step 2: Convert to fraction form
   188,360/413,300 = 413,300/x
3. Step 3: Cross multiply
   188,360x = 413,300 × 413,300
4. Step 4: Simplify right side
   188,360x = 170,816,890,000
5. Step 5: Solve for x
   x = 170,816,890,000/188,360
6. Step 6: Final answer
   x = 906,863.93