Finding the Third Proportional to 1,004,670 and 1,405,287

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004,670 : 1,405,287 = 1,405,287 : x
2. Step 2: Convert to fraction form
   1,004,670/1,405,287 = 1,405,287/x
3. Step 3: Cross multiply
   1,004,670x = 1,405,287 × 1,405,287
4. Step 4: Simplify right side
   1,004,670x = 1,974,831,552,369
5. Step 5: Solve for x
   x = 1,974,831,552,369/1,004,670
6. Step 6: Final answer
   x = 1,965,651.96