Finding the Third Proportional to 136,856 and 282,896

Step by Step Solution

1. Step 1: Write the proportion equation
   136,856 : 282,896 = 282,896 : x
2. Step 2: Convert to fraction form
   136,856/282,896 = 282,896/x
3. Step 3: Cross multiply
   136,856x = 282,896 × 282,896
4. Step 4: Simplify right side
   136,856x = 80,030,146,816
5. Step 5: Solve for x
   x = 80,030,146,816/136,856
6. Step 6: Final answer
   x = 584,776.31