Finding the Third Proportional to 3,556,404 and 7,787,376

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,404 : 7,787,376 = 7,787,376 : x
2. Step 2: Convert to fraction form
   3,556,404/7,787,376 = 7,787,376/x
3. Step 3: Cross multiply
   3,556,404x = 7,787,376 × 7,787,376
4. Step 4: Simplify right side
   3,556,404x = 60,643,224,965,376
5. Step 5: Solve for x
   x = 60,643,224,965,376/3,556,404
6. Step 6: Final answer
   x = 17,051,838.03