Finding the Third Proportional to 14,428.13 and 31,078.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,428.13 : 31,078.69 = 31,078.69 : x
2. Step 2: Convert to fraction form
   14,428.13/31,078.69 = 31,078.69/x
3. Step 3: Cross multiply
   14,428.13x = 31,078.69 × 31,078.69
4. Step 4: Simplify right side
   14,428.13x = 965,884,816.72
5. Step 5: Solve for x
   x = 965,884,816.72/14,428.13
6. Step 6: Final answer
   x = 66,944.58