Finding the Third Proportional to 1,355,640 and 2,921,394

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,640 : 2,921,394 = 2,921,394 : x
2. Step 2: Convert to fraction form
   1,355,640/2,921,394 = 2,921,394/x
3. Step 3: Cross multiply
   1,355,640x = 2,921,394 × 2,921,394
4. Step 4: Simplify right side
   1,355,640x = 8,534,542,903,236
5. Step 5: Solve for x
   x = 8,534,542,903,236/1,355,640
6. Step 6: Final answer
   x = 6,295,582.09