Finding the Third Proportional to 561,520 and 1,228,016

Step by Step Solution

1. Step 1: Write the proportion equation
   561,520 : 1,228,016 = 1,228,016 : x
2. Step 2: Convert to fraction form
   561,520/1,228,016 = 1,228,016/x
3. Step 3: Cross multiply
   561,520x = 1,228,016 × 1,228,016
4. Step 4: Simplify right side
   561,520x = 1,508,023,296,256
5. Step 5: Solve for x
   x = 1,508,023,296,256/561,520
6. Step 6: Final answer
   x = 2,685,609.23