Finding the Third Proportional to 12,285.42 and 19,483.66

Step by Step Solution

1. Step 1: Write the proportion equation
   12,285.42 : 19,483.66 = 19,483.66 : x
2. Step 2: Convert to fraction form
   12,285.42/19,483.66 = 19,483.66/x
3. Step 3: Cross multiply
   12,285.42x = 19,483.66 × 19,483.66
4. Step 4: Simplify right side
   12,285.42x = 379,613,165.30
5. Step 5: Solve for x
   x = 379,613,165.30/12,285.42
6. Step 6: Final answer
   x = 30,899.48