Finding the Third Proportional to 129,061 and 282,962

Step by Step Solution

1. Step 1: Write the proportion equation
   129,061 : 282,962 = 282,962 : x
2. Step 2: Convert to fraction form
   129,061/282,962 = 282,962/x
3. Step 3: Cross multiply
   129,061x = 282,962 × 282,962
4. Step 4: Simplify right side
   129,061x = 80,067,493,444
5. Step 5: Solve for x
   x = 80,067,493,444/129,061
6. Step 6: Final answer
   x = 620,384.88