Finding the Third Proportional to 20,462.63 and 42,656.63

Step by Step Solution

1. Step 1: Write the proportion equation
   20,462.63 : 42,656.63 = 42,656.63 : x
2. Step 2: Convert to fraction form
   20,462.63/42,656.63 = 42,656.63/x
3. Step 3: Cross multiply
   20,462.63x = 42,656.63 × 42,656.63
4. Step 4: Simplify right side
   20,462.63x = 1,819,587,656.39
5. Step 5: Solve for x
   x = 1,819,587,656.39/20,462.63
6. Step 6: Final answer
   x = 88,922.49