Finding the Third Proportional to 1,993,818 and 4,373,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993,818 : 4,373,642 = 4,373,642 : x
2. Step 2: Convert to fraction form
   1,993,818/4,373,642 = 4,373,642/x
3. Step 3: Cross multiply
   1,993,818x = 4,373,642 × 4,373,642
4. Step 4: Simplify right side
   1,993,818x = 19,128,744,344,164
5. Step 5: Solve for x
   x = 19,128,744,344,164/1,993,818
6. Step 6: Final answer
   x = 9,594,027.31