Finding the Third Proportional to 644,283 and 1,416,006

Step by Step Solution

1. Step 1: Write the proportion equation
   644,283 : 1,416,006 = 1,416,006 : x
2. Step 2: Convert to fraction form
   644,283/1,416,006 = 1,416,006/x
3. Step 3: Cross multiply
   644,283x = 1,416,006 × 1,416,006
4. Step 4: Simplify right side
   644,283x = 2,005,072,992,036
5. Step 5: Solve for x
   x = 2,005,072,992,036/644,283
6. Step 6: Final answer
   x = 3,112,099.79