Finding the Third Proportional to 1,535,640 and 3,306,747

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535,640 : 3,306,747 = 3,306,747 : x
2. Step 2: Convert to fraction form
   1,535,640/3,306,747 = 3,306,747/x
3. Step 3: Cross multiply
   1,535,640x = 3,306,747 × 3,306,747
4. Step 4: Simplify right side
   1,535,640x = 10,934,575,722,009
5. Step 5: Solve for x
   x = 10,934,575,722,009/1,535,640
6. Step 6: Final answer
   x = 7,120,533.28