Finding the Third Proportional to 131,778 and 282,141

Step by Step Solution

1. Step 1: Write the proportion equation
   131,778 : 282,141 = 282,141 : x
2. Step 2: Convert to fraction form
   131,778/282,141 = 282,141/x
3. Step 3: Cross multiply
   131,778x = 282,141 × 282,141
4. Step 4: Simplify right side
   131,778x = 79,603,543,881
5. Step 5: Solve for x
   x = 79,603,543,881/131,778
6. Step 6: Final answer
   x = 604,073.09