Finding the Third Proportional to 3,556,392 and 7,787,352

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,392 : 7,787,352 = 7,787,352 : x
2. Step 2: Convert to fraction form
   3,556,392/7,787,352 = 7,787,352/x
3. Step 3: Cross multiply
   3,556,392x = 7,787,352 × 7,787,352
4. Step 4: Simplify right side
   3,556,392x = 60,642,851,171,904
5. Step 5: Solve for x
   x = 60,642,851,171,904/3,556,392
6. Step 6: Final answer
   x = 17,051,790.46