Finding the Third Proportional to 13,163.63 and 28,434.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,163.63 : 28,434.38 = 28,434.38 : x
2. Step 2: Convert to fraction form
   13,163.63/28,434.38 = 28,434.38/x
3. Step 3: Cross multiply
   13,163.63x = 28,434.38 × 28,434.38
4. Step 4: Simplify right side
   13,163.63x = 808,513,681.64
5. Step 5: Solve for x
   x = 808,513,681.64/13,163.63
6. Step 6: Final answer
   x = 61,420.29