Finding the Third Proportional to 146,947 and 300,120

Step by Step Solution

1. Step 1: Write the proportion equation
   146,947 : 300,120 = 300,120 : x
2. Step 2: Convert to fraction form
   146,947/300,120 = 300,120/x
3. Step 3: Cross multiply
   146,947x = 300,120 × 300,120
4. Step 4: Simplify right side
   146,947x = 90,072,014,400
5. Step 5: Solve for x
   x = 90,072,014,400/146,947
6. Step 6: Final answer
   x = 612,955.79