Finding the Third Proportional to 7,814.16 and 18,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,814.16 : 18,434.72 = 18,434.72 : x
2. Step 2: Convert to fraction form
   7,814.16/18,434.72 = 18,434.72/x
3. Step 3: Cross multiply
   7,814.16x = 18,434.72 × 18,434.72
4. Step 4: Simplify right side
   7,814.16x = 339,838,855.39
5. Step 5: Solve for x
   x = 339,838,855.39/7,814.16
6. Step 6: Final answer
   x = 43,490.15