Finding the Third Proportional to 45,709 and 70,635

Step by Step Solution

1. Step 1: Write the proportion equation
   45,709 : 70,635 = 70,635 : x
2. Step 2: Convert to fraction form
   45,709/70,635 = 70,635/x
3. Step 3: Cross multiply
   45,709x = 70,635 × 70,635
4. Step 4: Simplify right side
   45,709x = 4,989,303,225
5. Step 5: Solve for x
   x = 4,989,303,225/45,709
6. Step 6: Final answer
   x = 109,153.63