Finding the Third Proportional to 3,556,224 and 7,668,216

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,224 : 7,668,216 = 7,668,216 : x
2. Step 2: Convert to fraction form
   3,556,224/7,668,216 = 7,668,216/x
3. Step 3: Cross multiply
   3,556,224x = 7,668,216 × 7,668,216
4. Step 4: Simplify right side
   3,556,224x = 58,801,536,622,656
5. Step 5: Solve for x
   x = 58,801,536,622,656/3,556,224
6. Step 6: Final answer
   x = 16,534,823.63