Finding the Third Proportional to 1,919,442 and 4,200,462

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,442 : 4,200,462 = 4,200,462 : x
2. Step 2: Convert to fraction form
   1,919,442/4,200,462 = 4,200,462/x
3. Step 3: Cross multiply
   1,919,442x = 4,200,462 × 4,200,462
4. Step 4: Simplify right side
   1,919,442x = 17,643,881,013,444
5. Step 5: Solve for x
   x = 17,643,881,013,444/1,919,442
6. Step 6: Final answer
   x = 9,192,192.84