Finding the Third Proportional to 10,346.50 and 13,908.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,346.50 : 13,908.75 = 13,908.75 : x
2. Step 2: Convert to fraction form
   10,346.50/13,908.75 = 13,908.75/x
3. Step 3: Cross multiply
   10,346.50x = 13,908.75 × 13,908.75
4. Step 4: Simplify right side
   10,346.50x = 193,453,326.56
5. Step 5: Solve for x
   x = 193,453,326.56/10,346.50
6. Step 6: Final answer
   x = 18,697.47