Finding the Third Proportional to 1,202,430 and 1,864,395

Step by Step Solution

1. Step 1: Write the proportion equation
   1,202,430 : 1,864,395 = 1,864,395 : x
2. Step 2: Convert to fraction form
   1,202,430/1,864,395 = 1,864,395/x
3. Step 3: Cross multiply
   1,202,430x = 1,864,395 × 1,864,395
4. Step 4: Simplify right side
   1,202,430x = 3,475,968,716,025
5. Step 5: Solve for x
   x = 3,475,968,716,025/1,202,430
6. Step 6: Final answer
   x = 2,890,786.75