Finding the Third Proportional to 1,286,218 and 2,793,860

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,218 : 2,793,860 = 2,793,860 : x
2. Step 2: Convert to fraction form
   1,286,218/2,793,860 = 2,793,860/x
3. Step 3: Cross multiply
   1,286,218x = 2,793,860 × 2,793,860
4. Step 4: Simplify right side
   1,286,218x = 7,805,653,699,600
5. Step 5: Solve for x
   x = 7,805,653,699,600/1,286,218
6. Step 6: Final answer
   x = 6,068,686.41