Finding the Third Proportional to 1,206,876 and 1,662,486

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,876 : 1,662,486 = 1,662,486 : x
2. Step 2: Convert to fraction form
   1,206,876/1,662,486 = 1,662,486/x
3. Step 3: Cross multiply
   1,206,876x = 1,662,486 × 1,662,486
4. Step 4: Simplify right side
   1,206,876x = 2,763,859,700,196
5. Step 5: Solve for x
   x = 2,763,859,700,196/1,206,876
6. Step 6: Final answer
   x = 2,290,094.18