Finding the Third Proportional to 3,492,378 and 5,251,563

Step by Step Solution

1. Step 1: Write the proportion equation
   3,492,378 : 5,251,563 = 5,251,563 : x
2. Step 2: Convert to fraction form
   3,492,378/5,251,563 = 5,251,563/x
3. Step 3: Cross multiply
   3,492,378x = 5,251,563 × 5,251,563
4. Step 4: Simplify right side
   3,492,378x = 27,578,913,942,969
5. Step 5: Solve for x
   x = 27,578,913,942,969/3,492,378
6. Step 6: Final answer
   x = 7,896,886.86