Finding the Third Proportional to 644,584.50 and 1,366,008

Step by Step Solution

1. Step 1: Write the proportion equation
   644,584.50 : 1,366,008 = 1,366,008 : x
2. Step 2: Convert to fraction form
   644,584.50/1,366,008 = 1,366,008/x
3. Step 3: Cross multiply
   644,584.50x = 1,366,008 × 1,366,008
4. Step 4: Simplify right side
   644,584.50x = 1,865,977,856,064
5. Step 5: Solve for x
   x = 1,865,977,856,064/644,584.50
6. Step 6: Final answer
   x = 2,894,853.75