Finding the Third Proportional to 4,315.94 and 9,400.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,315.94 : 9,400.69 = 9,400.69 : x
2. Step 2: Convert to fraction form
   4,315.94/9,400.69 = 9,400.69/x
3. Step 3: Cross multiply
   4,315.94x = 9,400.69 × 9,400.69
4. Step 4: Simplify right side
   4,315.94x = 88,372,925.47
5. Step 5: Solve for x
   x = 88,372,925.47/4,315.94
6. Step 6: Final answer
   x = 20,475.95