Finding the Third Proportional to 188,061.75 and 410,400

Step by Step Solution

1. Step 1: Write the proportion equation
   188,061.75 : 410,400 = 410,400 : x
2. Step 2: Convert to fraction form
   188,061.75/410,400 = 410,400/x
3. Step 3: Cross multiply
   188,061.75x = 410,400 × 410,400
4. Step 4: Simplify right side
   188,061.75x = 168,428,160,000
5. Step 5: Solve for x
   x = 168,428,160,000/188,061.75
6. Step 6: Final answer
   x = 895,600.30