Finding the Third Proportional to 2,503,303 and 5,139,310

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,303 : 5,139,310 = 5,139,310 : x
2. Step 2: Convert to fraction form
   2,503,303/5,139,310 = 5,139,310/x
3. Step 3: Cross multiply
   2,503,303x = 5,139,310 × 5,139,310
4. Step 4: Simplify right side
   2,503,303x = 26,412,507,276,100
5. Step 5: Solve for x
   x = 26,412,507,276,100/2,503,303
6. Step 6: Final answer
   x = 10,551,062.85