Finding the Third Proportional to 1,206,857 and 1,662,457

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,857 : 1,662,457 = 1,662,457 : x
2. Step 2: Convert to fraction form
   1,206,857/1,662,457 = 1,662,457/x
3. Step 3: Cross multiply
   1,206,857x = 1,662,457 × 1,662,457
4. Step 4: Simplify right side
   1,206,857x = 2,763,763,276,849
5. Step 5: Solve for x
   x = 2,763,763,276,849/1,206,857
6. Step 6: Final answer
   x = 2,290,050.33