Finding the Third Proportional to 3,556,413 and 7,787,394

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,413 : 7,787,394 = 7,787,394 : x
2. Step 2: Convert to fraction form
   3,556,413/7,787,394 = 7,787,394/x
3. Step 3: Cross multiply
   3,556,413x = 7,787,394 × 7,787,394
4. Step 4: Simplify right side
   3,556,413x = 60,643,505,311,236
5. Step 5: Solve for x
   x = 60,643,505,311,236/3,556,413
6. Step 6: Final answer
   x = 17,051,873.70