Finding the Third Proportional to 1,142,708 and 2,181,736

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,708 : 2,181,736 = 2,181,736 : x
2. Step 2: Convert to fraction form
   1,142,708/2,181,736 = 2,181,736/x
3. Step 3: Cross multiply
   1,142,708x = 2,181,736 × 2,181,736
4. Step 4: Simplify right side
   1,142,708x = 4,759,971,973,696
5. Step 5: Solve for x
   x = 4,759,971,973,696/1,142,708
6. Step 6: Final answer
   x = 4,165,519.08