Finding the Third Proportional to 1,507,588 and 3,280,896

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507,588 : 3,280,896 = 3,280,896 : x
2. Step 2: Convert to fraction form
   1,507,588/3,280,896 = 3,280,896/x
3. Step 3: Cross multiply
   1,507,588x = 3,280,896 × 3,280,896
4. Step 4: Simplify right side
   1,507,588x = 10,764,278,562,816
5. Step 5: Solve for x
   x = 10,764,278,562,816/1,507,588
6. Step 6: Final answer
   x = 7,140,066.49