Finding the Third Proportional to 7,139.25 and 14,946.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139.25 : 14,946.75 = 14,946.75 : x
2. Step 2: Convert to fraction form
   7,139.25/14,946.75 = 14,946.75/x
3. Step 3: Cross multiply
   7,139.25x = 14,946.75 × 14,946.75
4. Step 4: Simplify right side
   7,139.25x = 223,405,335.56
5. Step 5: Solve for x
   x = 223,405,335.56/7,139.25
6. Step 6: Final answer
   x = 31,292.55