Finding the Third Proportional to 611,905.50 and 1,325,508

Step by Step Solution

1. Step 1: Write the proportion equation
   611,905.50 : 1,325,508 = 1,325,508 : x
2. Step 2: Convert to fraction form
   611,905.50/1,325,508 = 1,325,508/x
3. Step 3: Cross multiply
   611,905.50x = 1,325,508 × 1,325,508
4. Step 4: Simplify right side
   611,905.50x = 1,756,971,458,064
5. Step 5: Solve for x
   x = 1,756,971,458,064/611,905.50
6. Step 6: Final answer
   x = 2,871,311.76