Finding the Third Proportional to 15,426 and 31,945

Step by Step Solution

1. Step 1: Write the proportion equation
   15,426 : 31,945 = 31,945 : x
2. Step 2: Convert to fraction form
   15,426/31,945 = 31,945/x
3. Step 3: Cross multiply
   15,426x = 31,945 × 31,945
4. Step 4: Simplify right side
   15,426x = 1,020,483,025
5. Step 5: Solve for x
   x = 1,020,483,025/15,426
6. Step 6: Final answer
   x = 66,153.44