Finding the Third Proportional to 40,510 and 63,408

Step by Step Solution

1. Step 1: Write the proportion equation
   40,510 : 63,408 = 63,408 : x
2. Step 2: Convert to fraction form
   40,510/63,408 = 63,408/x
3. Step 3: Cross multiply
   40,510x = 63,408 × 63,408
4. Step 4: Simplify right side
   40,510x = 4,020,574,464
5. Step 5: Solve for x
   x = 4,020,574,464/40,510
6. Step 6: Final answer
   x = 99,248.94