Finding the Third Proportional to 2,586,211 and 5,620,075

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,211 : 5,620,075 = 5,620,075 : x
2. Step 2: Convert to fraction form
   2,586,211/5,620,075 = 5,620,075/x
3. Step 3: Cross multiply
   2,586,211x = 5,620,075 × 5,620,075
4. Step 4: Simplify right side
   2,586,211x = 31,585,243,005,625
5. Step 5: Solve for x
   x = 31,585,243,005,625/2,586,211
6. Step 6: Final answer
   x = 12,212,941.25