Finding the Third Proportional to 300,540 and 634,614

Step by Step Solution

1. Step 1: Write the proportion equation
   300,540 : 634,614 = 634,614 : x
2. Step 2: Convert to fraction form
   300,540/634,614 = 634,614/x
3. Step 3: Cross multiply
   300,540x = 634,614 × 634,614
4. Step 4: Simplify right side
   300,540x = 402,734,928,996
5. Step 5: Solve for x
   x = 402,734,928,996/300,540
6. Step 6: Final answer
   x = 1,340,037.70