Finding the Third Proportional to 21,463 and 31,553

Step by Step Solution

1. Step 1: Write the proportion equation
   21,463 : 31,553 = 31,553 : x
2. Step 2: Convert to fraction form
   21,463/31,553 = 31,553/x
3. Step 3: Cross multiply
   21,463x = 31,553 × 31,553
4. Step 4: Simplify right side
   21,463x = 995,591,809
5. Step 5: Solve for x
   x = 995,591,809/21,463
6. Step 6: Final answer
   x = 46,386.42