Finding the Third Proportional to 2,620,840 and 5,606,020

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,840 : 5,606,020 = 5,606,020 : x
2. Step 2: Convert to fraction form
   2,620,840/5,606,020 = 5,606,020/x
3. Step 3: Cross multiply
   2,620,840x = 5,606,020 × 5,606,020
4. Step 4: Simplify right side
   2,620,840x = 31,427,460,240,400
5. Step 5: Solve for x
   x = 31,427,460,240,400/2,620,840
6. Step 6: Final answer
   x = 11,991,369.27