Finding the Third Proportional to 414,687 and 659,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,687 : 659,392.50 = 659,392.50 : x
2. Step 2: Convert to fraction form
   414,687/659,392.50 = 659,392.50/x
3. Step 3: Cross multiply
   414,687x = 659,392.50 × 659,392.50
4. Step 4: Simplify right side
   414,687x = 434,798,469,056.25
5. Step 5: Solve for x
   x = 434,798,469,056.25/414,687
6. Step 6: Final answer
   x = 1,048,497.95