Finding the Third Proportional to 5,249,868 and 7,507,218

Step by Step Solution

1. Step 1: Write the proportion equation
   5,249,868 : 7,507,218 = 7,507,218 : x
2. Step 2: Convert to fraction form
   5,249,868/7,507,218 = 7,507,218/x
3. Step 3: Cross multiply
   5,249,868x = 7,507,218 × 7,507,218
4. Step 4: Simplify right side
   5,249,868x = 56,358,322,099,524
5. Step 5: Solve for x
   x = 56,358,322,099,524/5,249,868
6. Step 6: Final answer
   x = 10,735,188.41