Finding the Third Proportional to 17,813 and 27,690

Step by Step Solution

1. Step 1: Write the proportion equation
   17,813 : 27,690 = 27,690 : x
2. Step 2: Convert to fraction form
   17,813/27,690 = 27,690/x
3. Step 3: Cross multiply
   17,813x = 27,690 × 27,690
4. Step 4: Simplify right side
   17,813x = 766,736,100
5. Step 5: Solve for x
   x = 766,736,100/17,813
6. Step 6: Final answer
   x = 43,043.63