Finding the Third Proportional to 3,556,410 and 7,787,388

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,410 : 7,787,388 = 7,787,388 : x
2. Step 2: Convert to fraction form
   3,556,410/7,787,388 = 7,787,388/x
3. Step 3: Cross multiply
   3,556,410x = 7,787,388 × 7,787,388
4. Step 4: Simplify right side
   3,556,410x = 60,643,411,862,544
5. Step 5: Solve for x
   x = 60,643,411,862,544/3,556,410
6. Step 6: Final answer
   x = 17,051,861.81