Finding the Third Proportional to 824,415 and 1,808,238

Step by Step Solution

1. Step 1: Write the proportion equation
   824,415 : 1,808,238 = 1,808,238 : x
2. Step 2: Convert to fraction form
   824,415/1,808,238 = 1,808,238/x
3. Step 3: Cross multiply
   824,415x = 1,808,238 × 1,808,238
4. Step 4: Simplify right side
   824,415x = 3,269,724,664,644
5. Step 5: Solve for x
   x = 3,269,724,664,644/824,415
6. Step 6: Final answer
   x = 3,966,114.96