Finding the Third Proportional to 12,993 and 30,654.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,993 : 30,654.75 = 30,654.75 : x
2. Step 2: Convert to fraction form
   12,993/30,654.75 = 30,654.75/x
3. Step 3: Cross multiply
   12,993x = 30,654.75 × 30,654.75
4. Step 4: Simplify right side
   12,993x = 939,713,697.56
5. Step 5: Solve for x
   x = 939,713,697.56/12,993
6. Step 6: Final answer
   x = 72,324.61