Finding the Third Proportional to 56,611 and 123,049

Step by Step Solution

1. Step 1: Write the proportion equation
   56,611 : 123,049 = 123,049 : x
2. Step 2: Convert to fraction form
   56,611/123,049 = 123,049/x
3. Step 3: Cross multiply
   56,611x = 123,049 × 123,049
4. Step 4: Simplify right side
   56,611x = 15,141,056,401
5. Step 5: Solve for x
   x = 15,141,056,401/56,611
6. Step 6: Final answer
   x = 267,457.85