Finding the Third Proportional to 188,281.50 and 413,880

Step by Step Solution

1. Step 1: Write the proportion equation
   188,281.50 : 413,880 = 413,880 : x
2. Step 2: Convert to fraction form
   188,281.50/413,880 = 413,880/x
3. Step 3: Cross multiply
   188,281.50x = 413,880 × 413,880
4. Step 4: Simplify right side
   188,281.50x = 171,296,654,400
5. Step 5: Solve for x
   x = 171,296,654,400/188,281.50
6. Step 6: Final answer
   x = 909,790.15