Finding the Third Proportional to 1,070,856 and 1,658,121

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070,856 : 1,658,121 = 1,658,121 : x
2. Step 2: Convert to fraction form
   1,070,856/1,658,121 = 1,658,121/x
3. Step 3: Cross multiply
   1,070,856x = 1,658,121 × 1,658,121
4. Step 4: Simplify right side
   1,070,856x = 2,749,365,250,641
5. Step 5: Solve for x
   x = 2,749,365,250,641/1,070,856
6. Step 6: Final answer
   x = 2,567,446.28