Finding the Third Proportional to 5,223,968 and 7,914,958

Step by Step Solution

1. Step 1: Write the proportion equation
   5,223,968 : 7,914,958 = 7,914,958 : x
2. Step 2: Convert to fraction form
   5,223,968/7,914,958 = 7,914,958/x
3. Step 3: Cross multiply
   5,223,968x = 7,914,958 × 7,914,958
4. Step 4: Simplify right side
   5,223,968x = 62,646,560,141,764
5. Step 5: Solve for x
   x = 62,646,560,141,764/5,223,968
6. Step 6: Final answer
   x = 11,992,140.87