Finding the Third Proportional to 3,248,136 and 7,144,272

Step by Step Solution

1. Step 1: Write the proportion equation
   3,248,136 : 7,144,272 = 7,144,272 : x
2. Step 2: Convert to fraction form
   3,248,136/7,144,272 = 7,144,272/x
3. Step 3: Cross multiply
   3,248,136x = 7,144,272 × 7,144,272
4. Step 4: Simplify right side
   3,248,136x = 51,040,622,409,984
5. Step 5: Solve for x
   x = 51,040,622,409,984/3,248,136
6. Step 6: Final answer
   x = 15,713,819.38