Finding the Third Proportional to 3,719,978 and 5,265,217

Step by Step Solution

1. Step 1: Write the proportion equation
   3,719,978 : 5,265,217 = 5,265,217 : x
2. Step 2: Convert to fraction form
   3,719,978/5,265,217 = 5,265,217/x
3. Step 3: Cross multiply
   3,719,978x = 5,265,217 × 5,265,217
4. Step 4: Simplify right side
   3,719,978x = 27,722,510,057,089
5. Step 5: Solve for x
   x = 27,722,510,057,089/3,719,978
6. Step 6: Final answer
   x = 7,452,331.72