Finding the Third Proportional to 2,489,654 and 5,070,666

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,654 : 5,070,666 = 5,070,666 : x
2. Step 2: Convert to fraction form
   2,489,654/5,070,666 = 5,070,666/x
3. Step 3: Cross multiply
   2,489,654x = 5,070,666 × 5,070,666
4. Step 4: Simplify right side
   2,489,654x = 25,711,653,683,556
5. Step 5: Solve for x
   x = 25,711,653,683,556/2,489,654
6. Step 6: Final answer
   x = 10,327,400.39