Finding the Third Proportional to 3,505,672 and 5,281,578

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505,672 : 5,281,578 = 5,281,578 : x
2. Step 2: Convert to fraction form
   3,505,672/5,281,578 = 5,281,578/x
3. Step 3: Cross multiply
   3,505,672x = 5,281,578 × 5,281,578
4. Step 4: Simplify right side
   3,505,672x = 27,895,066,170,084
5. Step 5: Solve for x
   x = 27,895,066,170,084/3,505,672
6. Step 6: Final answer
   x = 7,957,123.82