Finding the Third Proportional to 2,503,702 and 5,406,518

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,702 : 5,406,518 = 5,406,518 : x
2. Step 2: Convert to fraction form
   2,503,702/5,406,518 = 5,406,518/x
3. Step 3: Cross multiply
   2,503,702x = 5,406,518 × 5,406,518
4. Step 4: Simplify right side
   2,503,702x = 29,230,436,884,324
5. Step 5: Solve for x
   x = 29,230,436,884,324/2,503,702
6. Step 6: Final answer
   x = 11,674,886.58