Finding the Third Proportional to 300,112 and 634,000

Step by Step Solution

1. Step 1: Write the proportion equation
   300,112 : 634,000 = 634,000 : x
2. Step 2: Convert to fraction form
   300,112/634,000 = 634,000/x
3. Step 3: Cross multiply
   300,112x = 634,000 × 634,000
4. Step 4: Simplify right side
   300,112x = 401,956,000,000
5. Step 5: Solve for x
   x = 401,956,000,000/300,112
6. Step 6: Final answer
   x = 1,339,353.31