Finding the Third Proportional to 3,434,139 and 5,436,612

Step by Step Solution

1. Step 1: Write the proportion equation
   3,434,139 : 5,436,612 = 5,436,612 : x
2. Step 2: Convert to fraction form
   3,434,139/5,436,612 = 5,436,612/x
3. Step 3: Cross multiply
   3,434,139x = 5,436,612 × 5,436,612
4. Step 4: Simplify right side
   3,434,139x = 29,556,750,038,544
5. Step 5: Solve for x
   x = 29,556,750,038,544/3,434,139
6. Step 6: Final answer
   x = 8,606,742.49