Finding the Third Proportional to 2,620,911 and 5,606,160

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,911 : 5,606,160 = 5,606,160 : x
2. Step 2: Convert to fraction form
   2,620,911/5,606,160 = 5,606,160/x
3. Step 3: Cross multiply
   2,620,911x = 5,606,160 × 5,606,160
4. Step 4: Simplify right side
   2,620,911x = 31,429,029,945,600
5. Step 5: Solve for x
   x = 31,429,029,945,600/2,620,911
6. Step 6: Final answer
   x = 11,991,643.34