Finding the Third Proportional to 12,866.34 and 28,190.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,866.34 : 28,190.53 = 28,190.53 : x
2. Step 2: Convert to fraction form
   12,866.34/28,190.53 = 28,190.53/x
3. Step 3: Cross multiply
   12,866.34x = 28,190.53 × 28,190.53
4. Step 4: Simplify right side
   12,866.34x = 794,706,052.16
5. Step 5: Solve for x
   x = 794,706,052.16/12,866.34
6. Step 6: Final answer
   x = 61,766.27