Finding the Third Proportional to 28,674 and 42,705

Step by Step Solution

1. Step 1: Write the proportion equation
   28,674 : 42,705 = 42,705 : x
2. Step 2: Convert to fraction form
   28,674/42,705 = 42,705/x
3. Step 3: Cross multiply
   28,674x = 42,705 × 42,705
4. Step 4: Simplify right side
   28,674x = 1,823,717,025
5. Step 5: Solve for x
   x = 1,823,717,025/28,674
6. Step 6: Final answer
   x = 63,601.77