Finding the Third Proportional to 3,556,395 and 7,787,358

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,395 : 7,787,358 = 7,787,358 : x
2. Step 2: Convert to fraction form
   3,556,395/7,787,358 = 7,787,358/x
3. Step 3: Cross multiply
   3,556,395x = 7,787,358 × 7,787,358
4. Step 4: Simplify right side
   3,556,395x = 60,642,944,620,164
5. Step 5: Solve for x
   x = 60,642,944,620,164/3,556,395
6. Step 6: Final answer
   x = 17,051,802.35