Finding the Third Proportional to 12,379.50 and 19,181.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,379.50 : 19,181.25 = 19,181.25 : x
2. Step 2: Convert to fraction form
   12,379.50/19,181.25 = 19,181.25/x
3. Step 3: Cross multiply
   12,379.50x = 19,181.25 × 19,181.25
4. Step 4: Simplify right side
   12,379.50x = 367,920,351.56
5. Step 5: Solve for x
   x = 367,920,351.56/12,379.50
6. Step 6: Final answer
   x = 29,720.13