Finding the Third Proportional to 791,416 and 1,866,364

Step by Step Solution

1. Step 1: Write the proportion equation
   791,416 : 1,866,364 = 1,866,364 : x
2. Step 2: Convert to fraction form
   791,416/1,866,364 = 1,866,364/x
3. Step 3: Cross multiply
   791,416x = 1,866,364 × 1,866,364
4. Step 4: Simplify right side
   791,416x = 3,483,314,580,496
5. Step 5: Solve for x
   x = 3,483,314,580,496/791,416
6. Step 6: Final answer
   x = 4,401,369.92