Finding the Third Proportional to 3,556,414 and 7,787,396

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,414 : 7,787,396 = 7,787,396 : x
2. Step 2: Convert to fraction form
   3,556,414/7,787,396 = 7,787,396/x
3. Step 3: Cross multiply
   3,556,414x = 7,787,396 × 7,787,396
4. Step 4: Simplify right side
   3,556,414x = 60,643,536,460,816
5. Step 5: Solve for x
   x = 60,643,536,460,816/3,556,414
6. Step 6: Final answer
   x = 17,051,877.67