Finding the Third Proportional to 41,658 and 64,521

Step by Step Solution

1. Step 1: Write the proportion equation
   41,658 : 64,521 = 64,521 : x
2. Step 2: Convert to fraction form
   41,658/64,521 = 64,521/x
3. Step 3: Cross multiply
   41,658x = 64,521 × 64,521
4. Step 4: Simplify right side
   41,658x = 4,162,959,441
5. Step 5: Solve for x
   x = 4,162,959,441/41,658
6. Step 6: Final answer
   x = 99,931.81