Finding the Third Proportional to 45,518 and 70,674

Step by Step Solution

1. Step 1: Write the proportion equation
   45,518 : 70,674 = 70,674 : x
2. Step 2: Convert to fraction form
   45,518/70,674 = 70,674/x
3. Step 3: Cross multiply
   45,518x = 70,674 × 70,674
4. Step 4: Simplify right side
   45,518x = 4,994,814,276
5. Step 5: Solve for x
   x = 4,994,814,276/45,518
6. Step 6: Final answer
   x = 109,732.73