Finding the Third Proportional to 1,520,678 and 2,126,008

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520,678 : 2,126,008 = 2,126,008 : x
2. Step 2: Convert to fraction form
   1,520,678/2,126,008 = 2,126,008/x
3. Step 3: Cross multiply
   1,520,678x = 2,126,008 × 2,126,008
4. Step 4: Simplify right side
   1,520,678x = 4,519,910,016,064
5. Step 5: Solve for x
   x = 4,519,910,016,064/1,520,678
6. Step 6: Final answer
   x = 2,972,299.21