Finding the Third Proportional to 1,072,906 and 1,620,293

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,906 : 1,620,293 = 1,620,293 : x
2. Step 2: Convert to fraction form
   1,072,906/1,620,293 = 1,620,293/x
3. Step 3: Cross multiply
   1,072,906x = 1,620,293 × 1,620,293
4. Step 4: Simplify right side
   1,072,906x = 2,625,349,405,849
5. Step 5: Solve for x
   x = 2,625,349,405,849/1,072,906
6. Step 6: Final answer
   x = 2,446,951.93