Finding the Third Proportional to 1,900,830 and 3,936,395

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900,830 : 3,936,395 = 3,936,395 : x
2. Step 2: Convert to fraction form
   1,900,830/3,936,395 = 3,936,395/x
3. Step 3: Cross multiply
   1,900,830x = 3,936,395 × 3,936,395
4. Step 4: Simplify right side
   1,900,830x = 15,495,205,596,025
5. Step 5: Solve for x
   x = 15,495,205,596,025/1,900,830
6. Step 6: Final answer
   x = 8,151,810.31