Finding the Third Proportional to 843,392 and 1,815,736

Step by Step Solution

1. Step 1: Write the proportion equation
   843,392 : 1,815,736 = 1,815,736 : x
2. Step 2: Convert to fraction form
   843,392/1,815,736 = 1,815,736/x
3. Step 3: Cross multiply
   843,392x = 1,815,736 × 1,815,736
4. Step 4: Simplify right side
   843,392x = 3,296,897,221,696
5. Step 5: Solve for x
   x = 3,296,897,221,696/843,392
6. Step 6: Final answer
   x = 3,909,092.36