Finding the Third Proportional to 3,505,694 and 5,281,612

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505,694 : 5,281,612 = 5,281,612 : x
2. Step 2: Convert to fraction form
   3,505,694/5,281,612 = 5,281,612/x
3. Step 3: Cross multiply
   3,505,694x = 5,281,612 × 5,281,612
4. Step 4: Simplify right side
   3,505,694x = 27,895,425,318,544
5. Step 5: Solve for x
   x = 27,895,425,318,544/3,505,694
6. Step 6: Final answer
   x = 7,957,176.33