Finding the Third Proportional to 19,181.81 and 28,658.81

Step by Step Solution

1. Step 1: Write the proportion equation
   19,181.81 : 28,658.81 = 28,658.81 : x
2. Step 2: Convert to fraction form
   19,181.81/28,658.81 = 28,658.81/x
3. Step 3: Cross multiply
   19,181.81x = 28,658.81 × 28,658.81
4. Step 4: Simplify right side
   19,181.81x = 821,327,533.91
5. Step 5: Solve for x
   x = 821,327,533.91/19,181.81
6. Step 6: Final answer
   x = 42,818.04