Finding the Third Proportional to 12,945.75 and 28,314.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,945.75 : 28,314.75 = 28,314.75 : x
2. Step 2: Convert to fraction form
   12,945.75/28,314.75 = 28,314.75/x
3. Step 3: Cross multiply
   12,945.75x = 28,314.75 × 28,314.75
4. Step 4: Simplify right side
   12,945.75x = 801,725,067.56
5. Step 5: Solve for x
   x = 801,725,067.56/12,945.75
6. Step 6: Final answer
   x = 61,929.60