Finding the Third Proportional to 21,427.50 and 46,419

Step by Step Solution

1. Step 1: Write the proportion equation
   21,427.50 : 46,419 = 46,419 : x
2. Step 2: Convert to fraction form
   21,427.50/46,419 = 46,419/x
3. Step 3: Cross multiply
   21,427.50x = 46,419 × 46,419
4. Step 4: Simplify right side
   21,427.50x = 2,154,723,561
5. Step 5: Solve for x
   x = 2,154,723,561/21,427.50
6. Step 6: Final answer
   x = 100,558.79