Finding the Third Proportional to 102,988.50 and 146,993

Step by Step Solution

1. Step 1: Write the proportion equation
   102,988.50 : 146,993 = 146,993 : x
2. Step 2: Convert to fraction form
   102,988.50/146,993 = 146,993/x
3. Step 3: Cross multiply
   102,988.50x = 146,993 × 146,993
4. Step 4: Simplify right side
   102,988.50x = 21,606,942,049
5. Step 5: Solve for x
   x = 21,606,942,049/102,988.50
6. Step 6: Final answer
   x = 209,799.56