Finding the Third Proportional to 20,138.06 and 43,389.56

Step by Step Solution

1. Step 1: Write the proportion equation
   20,138.06 : 43,389.56 = 43,389.56 : x
2. Step 2: Convert to fraction form
   20,138.06/43,389.56 = 43,389.56/x
3. Step 3: Cross multiply
   20,138.06x = 43,389.56 × 43,389.56
4. Step 4: Simplify right side
   20,138.06x = 1,882,654,133.94
5. Step 5: Solve for x
   x = 1,882,654,133.94/20,138.06
6. Step 6: Final answer
   x = 93,487.35