Finding the Third Proportional to 1,866,132 and 4,026,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866,132 : 4,026,456 = 4,026,456 : x
2. Step 2: Convert to fraction form
   1,866,132/4,026,456 = 4,026,456/x
3. Step 3: Cross multiply
   1,866,132x = 4,026,456 × 4,026,456
4. Step 4: Simplify right side
   1,866,132x = 16,212,347,919,936
5. Step 5: Solve for x
   x = 16,212,347,919,936/1,866,132
6. Step 6: Final answer
   x = 8,687,674.78