Finding the Third Proportional to 1,242,654 and 2,666,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,654 : 2,666,556 = 2,666,556 : x
2. Step 2: Convert to fraction form
   1,242,654/2,666,556 = 2,666,556/x
3. Step 3: Cross multiply
   1,242,654x = 2,666,556 × 2,666,556
4. Step 4: Simplify right side
   1,242,654x = 7,110,520,901,136
5. Step 5: Solve for x
   x = 7,110,520,901,136/1,242,654
6. Step 6: Final answer
   x = 5,722,044.03