Finding the Third Proportional to 45,898 and 64,636

Step by Step Solution

1. Step 1: Write the proportion equation
   45,898 : 64,636 = 64,636 : x
2. Step 2: Convert to fraction form
   45,898/64,636 = 64,636/x
3. Step 3: Cross multiply
   45,898x = 64,636 × 64,636
4. Step 4: Simplify right side
   45,898x = 4,177,812,496
5. Step 5: Solve for x
   x = 4,177,812,496/45,898
6. Step 6: Final answer
   x = 91,023.85