Finding the Third Proportional to 1,869,393 and 4,066,836

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869,393 : 4,066,836 = 4,066,836 : x
2. Step 2: Convert to fraction form
   1,869,393/4,066,836 = 4,066,836/x
3. Step 3: Cross multiply
   1,869,393x = 4,066,836 × 4,066,836
4. Step 4: Simplify right side
   1,869,393x = 16,539,155,050,896
5. Step 5: Solve for x
   x = 16,539,155,050,896/1,869,393
6. Step 6: Final answer
   x = 8,847,339.78