Finding the Third Proportional to 45,708 and 70,636

Step by Step Solution

1. Step 1: Write the proportion equation
   45,708 : 70,636 = 70,636 : x
2. Step 2: Convert to fraction form
   45,708/70,636 = 70,636/x
3. Step 3: Cross multiply
   45,708x = 70,636 × 70,636
4. Step 4: Simplify right side
   45,708x = 4,989,444,496
5. Step 5: Solve for x
   x = 4,989,444,496/45,708
6. Step 6: Final answer
   x = 109,159.11