Finding the Third Proportional to 5,448.75 and 8,385.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,448.75 : 8,385.38 = 8,385.38 : x
2. Step 2: Convert to fraction form
   5,448.75/8,385.38 = 8,385.38/x
3. Step 3: Cross multiply
   5,448.75x = 8,385.38 × 8,385.38
4. Step 4: Simplify right side
   5,448.75x = 70,314,513.89
5. Step 5: Solve for x
   x = 70,314,513.89/5,448.75
6. Step 6: Final answer
   x = 12,904.71