Finding the Third Proportional to 41,663 and 64,520

Step by Step Solution

1. Step 1: Write the proportion equation
   41,663 : 64,520 = 64,520 : x
2. Step 2: Convert to fraction form
   41,663/64,520 = 64,520/x
3. Step 3: Cross multiply
   41,663x = 64,520 × 64,520
4. Step 4: Simplify right side
   41,663x = 4,162,830,400
5. Step 5: Solve for x
   x = 4,162,830,400/41,663
6. Step 6: Final answer
   x = 99,916.72