Finding the Third Proportional to 1,805,336 and 3,964,912

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,336 : 3,964,912 = 3,964,912 : x
2. Step 2: Convert to fraction form
   1,805,336/3,964,912 = 3,964,912/x
3. Step 3: Cross multiply
   1,805,336x = 3,964,912 × 3,964,912
4. Step 4: Simplify right side
   1,805,336x = 15,720,527,167,744
5. Step 5: Solve for x
   x = 15,720,527,167,744/1,805,336
6. Step 6: Final answer
   x = 8,707,812.38