Finding the Third Proportional to 41,898 and 64,715

Step by Step Solution

1. Step 1: Write the proportion equation
   41,898 : 64,715 = 64,715 : x
2. Step 2: Convert to fraction form
   41,898/64,715 = 64,715/x
3. Step 3: Cross multiply
   41,898x = 64,715 × 64,715
4. Step 4: Simplify right side
   41,898x = 4,188,031,225
5. Step 5: Solve for x
   x = 4,188,031,225/41,898
6. Step 6: Final answer
   x = 99,957.78