Finding the Third Proportional to 20,402.63 and 43,254.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,402.63 : 43,254.38 = 43,254.38 : x
2. Step 2: Convert to fraction form
   20,402.63/43,254.38 = 43,254.38/x
3. Step 3: Cross multiply
   20,402.63x = 43,254.38 × 43,254.38
4. Step 4: Simplify right side
   20,402.63x = 1,870,940,956.64
5. Step 5: Solve for x
   x = 1,870,940,956.64/20,402.63
6. Step 6: Final answer
   x = 91,700.99