Finding the Third Proportional to 13,013.16 and 28,213.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,013.16 : 28,213.31 = 28,213.31 : x
2. Step 2: Convert to fraction form
   13,013.16/28,213.31 = 28,213.31/x
3. Step 3: Cross multiply
   13,013.16x = 28,213.31 × 28,213.31
4. Step 4: Simplify right side
   13,013.16x = 795,991,002.22
5. Step 5: Solve for x
   x = 795,991,002.22/13,013.16
6. Step 6: Final answer
   x = 61,168.17