Finding the Third Proportional to 55,018 and 85,814

Step by Step Solution

1. Step 1: Write the proportion equation
   55,018 : 85,814 = 85,814 : x
2. Step 2: Convert to fraction form
   55,018/85,814 = 85,814/x
3. Step 3: Cross multiply
   55,018x = 85,814 × 85,814
4. Step 4: Simplify right side
   55,018x = 7,364,042,596
5. Step 5: Solve for x
   x = 7,364,042,596/55,018
6. Step 6: Final answer
   x = 133,847.88