Finding the Third Proportional to 1,956,040 and 4,237,658

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956,040 : 4,237,658 = 4,237,658 : x
2. Step 2: Convert to fraction form
   1,956,040/4,237,658 = 4,237,658/x
3. Step 3: Cross multiply
   1,956,040x = 4,237,658 × 4,237,658
4. Step 4: Simplify right side
   1,956,040x = 17,957,745,324,964
5. Step 5: Solve for x
   x = 17,957,745,324,964/1,956,040
6. Step 6: Final answer
   x = 9,180,663.65