Finding the Third Proportional to 19,617 and 28,590

Step by Step Solution

1. Step 1: Write the proportion equation
   19,617 : 28,590 = 28,590 : x
2. Step 2: Convert to fraction form
   19,617/28,590 = 28,590/x
3. Step 3: Cross multiply
   19,617x = 28,590 × 28,590
4. Step 4: Simplify right side
   19,617x = 817,388,100
5. Step 5: Solve for x
   x = 817,388,100/19,617
6. Step 6: Final answer
   x = 41,667.33