Finding the Third Proportional to 791,404 and 1,866,319

Step by Step Solution

1. Step 1: Write the proportion equation
   791,404 : 1,866,319 = 1,866,319 : x
2. Step 2: Convert to fraction form
   791,404/1,866,319 = 1,866,319/x
3. Step 3: Cross multiply
   791,404x = 1,866,319 × 1,866,319
4. Step 4: Simplify right side
   791,404x = 3,483,146,609,761
5. Step 5: Solve for x
   x = 3,483,146,609,761/791,404
6. Step 6: Final answer
   x = 4,401,224.42