Finding the Third Proportional to 2,148,266 and 4,679,986

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148,266 : 4,679,986 = 4,679,986 : x
2. Step 2: Convert to fraction form
   2,148,266/4,679,986 = 4,679,986/x
3. Step 3: Cross multiply
   2,148,266x = 4,679,986 × 4,679,986
4. Step 4: Simplify right side
   2,148,266x = 21,902,268,960,196
5. Step 5: Solve for x
   x = 21,902,268,960,196/2,148,266
6. Step 6: Final answer
   x = 10,195,324.49