Finding the Third Proportional to 138,304.50 and 281,682

Step by Step Solution

1. Step 1: Write the proportion equation
   138,304.50 : 281,682 = 281,682 : x
2. Step 2: Convert to fraction form
   138,304.50/281,682 = 281,682/x
3. Step 3: Cross multiply
   138,304.50x = 281,682 × 281,682
4. Step 4: Simplify right side
   138,304.50x = 79,344,749,124
5. Step 5: Solve for x
   x = 79,344,749,124/138,304.50
6. Step 6: Final answer
   x = 573,696.08