Finding the Third Proportional to 1,993,840 and 4,373,658

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993,840 : 4,373,658 = 4,373,658 : x
2. Step 2: Convert to fraction form
   1,993,840/4,373,658 = 4,373,658/x
3. Step 3: Cross multiply
   1,993,840x = 4,373,658 × 4,373,658
4. Step 4: Simplify right side
   1,993,840x = 19,128,884,300,964
5. Step 5: Solve for x
   x = 19,128,884,300,964/1,993,840
6. Step 6: Final answer
   x = 9,593,991.64