Finding the Third Proportional to 70,518 and 146,868

Step by Step Solution

1. Step 1: Write the proportion equation
   70,518 : 146,868 = 146,868 : x
2. Step 2: Convert to fraction form
   70,518/146,868 = 146,868/x
3. Step 3: Cross multiply
   70,518x = 146,868 × 146,868
4. Step 4: Simplify right side
   70,518x = 21,570,209,424
5. Step 5: Solve for x
   x = 21,570,209,424/70,518
6. Step 6: Final answer
   x = 305,882.32