Finding the Third Proportional to 2,399,990 and 5,069,764

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399,990 : 5,069,764 = 5,069,764 : x
2. Step 2: Convert to fraction form
   2,399,990/5,069,764 = 5,069,764/x
3. Step 3: Cross multiply
   2,399,990x = 5,069,764 × 5,069,764
4. Step 4: Simplify right side
   2,399,990x = 25,702,507,015,696
5. Step 5: Solve for x
   x = 25,702,507,015,696/2,399,990
6. Step 6: Final answer
   x = 10,709,422.55