Finding the Third Proportional to 1,805,138 and 3,964,592

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,138 : 3,964,592 = 3,964,592 : x
2. Step 2: Convert to fraction form
   1,805,138/3,964,592 = 3,964,592/x
3. Step 3: Cross multiply
   1,805,138x = 3,964,592 × 3,964,592
4. Step 4: Simplify right side
   1,805,138x = 15,717,989,726,464
5. Step 5: Solve for x
   x = 15,717,989,726,464/1,805,138
6. Step 6: Final answer
   x = 8,707,361.83