Finding the Third Proportional to 7,854.38 and 12,146.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,854.38 : 12,146.25 = 12,146.25 : x
2. Step 2: Convert to fraction form
   7,854.38/12,146.25 = 12,146.25/x
3. Step 3: Cross multiply
   7,854.38x = 12,146.25 × 12,146.25
4. Step 4: Simplify right side
   7,854.38x = 147,531,389.06
5. Step 5: Solve for x
   x = 147,531,389.06/7,854.38
6. Step 6: Final answer
   x = 18,783.34