Finding the Third Proportional to 1,391,508 and 3,020,960

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,508 : 3,020,960 = 3,020,960 : x
2. Step 2: Convert to fraction form
   1,391,508/3,020,960 = 3,020,960/x
3. Step 3: Cross multiply
   1,391,508x = 3,020,960 × 3,020,960
4. Step 4: Simplify right side
   1,391,508x = 9,126,199,321,600
5. Step 5: Solve for x
   x = 9,126,199,321,600/1,391,508
6. Step 6: Final answer
   x = 6,558,495.76