Finding the Third Proportional to 20,142.42 and 43,426.76

Step by Step Solution

1. Step 1: Write the proportion equation
   20,142.42 : 43,426.76 = 43,426.76 : x
2. Step 2: Convert to fraction form
   20,142.42/43,426.76 = 43,426.76/x
3. Step 3: Cross multiply
   20,142.42x = 43,426.76 × 43,426.76
4. Step 4: Simplify right side
   20,142.42x = 1,885,883,294.11
5. Step 5: Solve for x
   x = 1,885,883,294.11/20,142.42
6. Step 6: Final answer
   x = 93,627.43