Finding the Third Proportional to 1,071,818 and 1,658,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,818 : 1,658,856 = 1,658,856 : x
2. Step 2: Convert to fraction form
   1,071,818/1,658,856 = 1,658,856/x
3. Step 3: Cross multiply
   1,071,818x = 1,658,856 × 1,658,856
4. Step 4: Simplify right side
   1,071,818x = 2,751,803,228,736
5. Step 5: Solve for x
   x = 2,751,803,228,736/1,071,818
6. Step 6: Final answer
   x = 2,567,416.51