Finding the Third Proportional to 40,326 and 64,743

Step by Step Solution

1. Step 1: Write the proportion equation
   40,326 : 64,743 = 64,743 : x
2. Step 2: Convert to fraction form
   40,326/64,743 = 64,743/x
3. Step 3: Cross multiply
   40,326x = 64,743 × 64,743
4. Step 4: Simplify right side
   40,326x = 4,191,656,049
5. Step 5: Solve for x
   x = 4,191,656,049/40,326
6. Step 6: Final answer
   x = 103,944.26