Finding the Third Proportional to 3,556,416 and 7,787,400

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,416 : 7,787,400 = 7,787,400 : x
2. Step 2: Convert to fraction form
   3,556,416/7,787,400 = 7,787,400/x
3. Step 3: Cross multiply
   3,556,416x = 7,787,400 × 7,787,400
4. Step 4: Simplify right side
   3,556,416x = 60,643,598,760,000
5. Step 5: Solve for x
   x = 60,643,598,760,000/3,556,416
6. Step 6: Final answer
   x = 17,051,885.59