Finding the Third Proportional to 1,055,260 and 2,147,783

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,260 : 2,147,783 = 2,147,783 : x
2. Step 2: Convert to fraction form
   1,055,260/2,147,783 = 2,147,783/x
3. Step 3: Cross multiply
   1,055,260x = 2,147,783 × 2,147,783
4. Step 4: Simplify right side
   1,055,260x = 4,612,971,815,089
5. Step 5: Solve for x
   x = 4,612,971,815,089/1,055,260
6. Step 6: Final answer
   x = 4,371,407.82