Finding the Third Proportional to 20,334.38 and 42,224.63

Step by Step Solution

1. Step 1: Write the proportion equation
   20,334.38 : 42,224.63 = 42,224.63 : x
2. Step 2: Convert to fraction form
   20,334.38/42,224.63 = 42,224.63/x
3. Step 3: Cross multiply
   20,334.38x = 42,224.63 × 42,224.63
4. Step 4: Simplify right side
   20,334.38x = 1,782,918,956.39
5. Step 5: Solve for x
   x = 1,782,918,956.39/20,334.38
6. Step 6: Final answer
   x = 87,680.05