Finding the Third Proportional to 69,913.50 and 146,658

Step by Step Solution

1. Step 1: Write the proportion equation
   69,913.50 : 146,658 = 146,658 : x
2. Step 2: Convert to fraction form
   69,913.50/146,658 = 146,658/x
3. Step 3: Cross multiply
   69,913.50x = 146,658 × 146,658
4. Step 4: Simplify right side
   69,913.50x = 21,508,568,964
5. Step 5: Solve for x
   x = 21,508,568,964/69,913.50
6. Step 6: Final answer
   x = 307,645.43