Finding the Third Proportional to 13,628.25 and 20,152.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,628.25 : 20,152.13 = 20,152.13 : x
2. Step 2: Convert to fraction form
   13,628.25/20,152.13 = 20,152.13/x
3. Step 3: Cross multiply
   13,628.25x = 20,152.13 × 20,152.13
4. Step 4: Simplify right side
   13,628.25x = 406,108,142.02
5. Step 5: Solve for x
   x = 406,108,142.02/13,628.25
6. Step 6: Final answer
   x = 29,798.99