Finding the Third Proportional to 1,071,819 and 1,658,858

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,819 : 1,658,858 = 1,658,858 : x
2. Step 2: Convert to fraction form
   1,071,819/1,658,858 = 1,658,858/x
3. Step 3: Cross multiply
   1,071,819x = 1,658,858 × 1,658,858
4. Step 4: Simplify right side
   1,071,819x = 2,751,809,864,164
5. Step 5: Solve for x
   x = 2,751,809,864,164/1,071,819
6. Step 6: Final answer
   x = 2,567,420.31