Finding the Third Proportional to 2,620,845 and 5,606,031

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,845 : 5,606,031 = 5,606,031 : x
2. Step 2: Convert to fraction form
   2,620,845/5,606,031 = 5,606,031/x
3. Step 3: Cross multiply
   2,620,845x = 5,606,031 × 5,606,031
4. Step 4: Simplify right side
   2,620,845x = 31,427,583,572,961
5. Step 5: Solve for x
   x = 31,427,583,572,961/2,620,845
6. Step 6: Final answer
   x = 11,991,393.45