Finding the Third Proportional to 315,543.94 and 694,171.69

Step by Step Solution

1. Step 1: Write the proportion equation
   315,543.94 : 694,171.69 = 694,171.69 : x
2. Step 2: Convert to fraction form
   315,543.94/694,171.69 = 694,171.69/x
3. Step 3: Cross multiply
   315,543.94x = 694,171.69 × 694,171.69
4. Step 4: Simplify right side
   315,543.94x = 481,874,331,726.60
5. Step 5: Solve for x
   x = 481,874,331,726.60/315,543.94
6. Step 6: Final answer
   x = 1,527,122.77