Finding the Third Proportional to 41,390 and 63,419

Step by Step Solution

1. Step 1: Write the proportion equation
   41,390 : 63,419 = 63,419 : x
2. Step 2: Convert to fraction form
   41,390/63,419 = 63,419/x
3. Step 3: Cross multiply
   41,390x = 63,419 × 63,419
4. Step 4: Simplify right side
   41,390x = 4,021,969,561
5. Step 5: Solve for x
   x = 4,021,969,561/41,390
6. Step 6: Final answer
   x = 97,172.49