Finding the Third Proportional to 19,586.81 and 28,992.94

Step by Step Solution

1. Step 1: Write the proportion equation
   19,586.81 : 28,992.94 = 28,992.94 : x
2. Step 2: Convert to fraction form
   19,586.81/28,992.94 = 28,992.94/x
3. Step 3: Cross multiply
   19,586.81x = 28,992.94 × 28,992.94
4. Step 4: Simplify right side
   19,586.81x = 840,590,424.88
5. Step 5: Solve for x
   x = 840,590,424.88/19,586.81
6. Step 6: Final answer
   x = 42,916.14