Finding the Third Proportional to 18,626.63 and 28,181.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,626.63 : 28,181.25 = 28,181.25 : x
2. Step 2: Convert to fraction form
   18,626.63/28,181.25 = 28,181.25/x
3. Step 3: Cross multiply
   18,626.63x = 28,181.25 × 28,181.25
4. Step 4: Simplify right side
   18,626.63x = 794,182,851.56
5. Step 5: Solve for x
   x = 794,182,851.56/18,626.63
6. Step 6: Final answer
   x = 42,636.97