Finding the Third Proportional to 19,222.50 and 42,621

Step by Step Solution

1. Step 1: Write the proportion equation
   19,222.50 : 42,621 = 42,621 : x
2. Step 2: Convert to fraction form
   19,222.50/42,621 = 42,621/x
3. Step 3: Cross multiply
   19,222.50x = 42,621 × 42,621
4. Step 4: Simplify right side
   19,222.50x = 1,816,549,641
5. Step 5: Solve for x
   x = 1,816,549,641/19,222.50
6. Step 6: Final answer
   x = 94,501.22