Finding the Third Proportional to 17,553 and 38,997

Step by Step Solution

1. Step 1: Write the proportion equation
   17,553 : 38,997 = 38,997 : x
2. Step 2: Convert to fraction form
   17,553/38,997 = 38,997/x
3. Step 3: Cross multiply
   17,553x = 38,997 × 38,997
4. Step 4: Simplify right side
   17,553x = 1,520,766,009
5. Step 5: Solve for x
   x = 1,520,766,009/17,553
6. Step 6: Final answer
   x = 86,638.52