Finding the Third Proportional to 1,851,606 and 4,057,740

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851,606 : 4,057,740 = 4,057,740 : x
2. Step 2: Convert to fraction form
   1,851,606/4,057,740 = 4,057,740/x
3. Step 3: Cross multiply
   1,851,606x = 4,057,740 × 4,057,740
4. Step 4: Simplify right side
   1,851,606x = 16,465,253,907,600
5. Step 5: Solve for x
   x = 16,465,253,907,600/1,851,606
6. Step 6: Final answer
   x = 8,892,417.67