Finding the Third Proportional to 13,630.50 and 28,131.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,630.50 : 28,131.75 = 28,131.75 : x
2. Step 2: Convert to fraction form
   13,630.50/28,131.75 = 28,131.75/x
3. Step 3: Cross multiply
   13,630.50x = 28,131.75 × 28,131.75
4. Step 4: Simplify right side
   13,630.50x = 791,395,358.06
5. Step 5: Solve for x
   x = 791,395,358.06/13,630.50
6. Step 6: Final answer
   x = 58,060.63