Finding the Third Proportional to 1,806,842 and 3,928,600

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806,842 : 3,928,600 = 3,928,600 : x
2. Step 2: Convert to fraction form
   1,806,842/3,928,600 = 3,928,600/x
3. Step 3: Cross multiply
   1,806,842x = 3,928,600 × 3,928,600
4. Step 4: Simplify right side
   1,806,842x = 15,433,897,960,000
5. Step 5: Solve for x
   x = 15,433,897,960,000/1,806,842
6. Step 6: Final answer
   x = 8,541,918.97