Finding the Third Proportional to 1,436,640 and 3,142,521

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436,640 : 3,142,521 = 3,142,521 : x
2. Step 2: Convert to fraction form
   1,436,640/3,142,521 = 3,142,521/x
3. Step 3: Cross multiply
   1,436,640x = 3,142,521 × 3,142,521
4. Step 4: Simplify right side
   1,436,640x = 9,875,438,235,441
5. Step 5: Solve for x
   x = 9,875,438,235,441/1,436,640
6. Step 6: Final answer
   x = 6,873,982.51