Finding the Third Proportional to 69,300 and 146,868

Step by Step Solution

1. Step 1: Write the proportion equation
   69,300 : 146,868 = 146,868 : x
2. Step 2: Convert to fraction form
   69,300/146,868 = 146,868/x
3. Step 3: Cross multiply
   69,300x = 146,868 × 146,868
4. Step 4: Simplify right side
   69,300x = 21,570,209,424
5. Step 5: Solve for x
   x = 21,570,209,424/69,300
6. Step 6: Final answer
   x = 311,258.43