Finding the Third Proportional to 20,720.81 and 43,905.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,720.81 : 43,905.38 = 43,905.38 : x
2. Step 2: Convert to fraction form
   20,720.81/43,905.38 = 43,905.38/x
3. Step 3: Cross multiply
   20,720.81x = 43,905.38 × 43,905.38
4. Step 4: Simplify right side
   20,720.81x = 1,927,681,953.89
5. Step 5: Solve for x
   x = 1,927,681,953.89/20,720.81
6. Step 6: Final answer
   x = 93,031.20