Finding the Third Proportional to 3,528,144 and 5,278,392

Step by Step Solution

1. Step 1: Write the proportion equation
   3,528,144 : 5,278,392 = 5,278,392 : x
2. Step 2: Convert to fraction form
   3,528,144/5,278,392 = 5,278,392/x
3. Step 3: Cross multiply
   3,528,144x = 5,278,392 × 5,278,392
4. Step 4: Simplify right side
   3,528,144x = 27,861,422,105,664
5. Step 5: Solve for x
   x = 27,861,422,105,664/3,528,144
6. Step 6: Final answer
   x = 7,896,906.17