Finding the Third Proportional to 21,998.50 and 35,419

Step by Step Solution

1. Step 1: Write the proportion equation
   21,998.50 : 35,419 = 35,419 : x
2. Step 2: Convert to fraction form
   21,998.50/35,419 = 35,419/x
3. Step 3: Cross multiply
   21,998.50x = 35,419 × 35,419
4. Step 4: Simplify right side
   21,998.50x = 1,254,505,561
5. Step 5: Solve for x
   x = 1,254,505,561/21,998.50
6. Step 6: Final answer
   x = 57,026.87