Finding the Third Proportional to 791,409 and 1,866,333

Step by Step Solution

1. Step 1: Write the proportion equation
   791,409 : 1,866,333 = 1,866,333 : x
2. Step 2: Convert to fraction form
   791,409/1,866,333 = 1,866,333/x
3. Step 3: Cross multiply
   791,409x = 1,866,333 × 1,866,333
4. Step 4: Simplify right side
   791,409x = 3,483,198,866,889
5. Step 5: Solve for x
   x = 3,483,198,866,889/791,409
6. Step 6: Final answer
   x = 4,401,262.64