Finding the Third Proportional to 78,948 and 150,620

Step by Step Solution

1. Step 1: Write the proportion equation
   78,948 : 150,620 = 150,620 : x
2. Step 2: Convert to fraction form
   78,948/150,620 = 150,620/x
3. Step 3: Cross multiply
   78,948x = 150,620 × 150,620
4. Step 4: Simplify right side
   78,948x = 22,686,384,400
5. Step 5: Solve for x
   x = 22,686,384,400/78,948
6. Step 6: Final answer
   x = 287,358.57