Finding the Third Proportional to 19,409.63 and 41,621.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,409.63 : 41,621.34 = 41,621.34 : x
2. Step 2: Convert to fraction form
   19,409.63/41,621.34 = 41,621.34/x
3. Step 3: Cross multiply
   19,409.63x = 41,621.34 × 41,621.34
4. Step 4: Simplify right side
   19,409.63x = 1,732,336,255.56
5. Step 5: Solve for x
   x = 1,732,336,255.56/19,409.63
6. Step 6: Final answer
   x = 89,251.40