Finding the Third Proportional to 19,099.75 and 42,573.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,099.75 : 42,573.25 = 42,573.25 : x
2. Step 2: Convert to fraction form
   19,099.75/42,573.25 = 42,573.25/x
3. Step 3: Cross multiply
   19,099.75x = 42,573.25 × 42,573.25
4. Step 4: Simplify right side
   19,099.75x = 1,812,481,615.56
5. Step 5: Solve for x
   x = 1,812,481,615.56/19,099.75
6. Step 6: Final answer
   x = 94,895.57