Finding the Third Proportional to 19,675.50 and 42,491.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,675.50 : 42,491.25 = 42,491.25 : x
2. Step 2: Convert to fraction form
   19,675.50/42,491.25 = 42,491.25/x
3. Step 3: Cross multiply
   19,675.50x = 42,491.25 × 42,491.25
4. Step 4: Simplify right side
   19,675.50x = 1,805,506,326.56
5. Step 5: Solve for x
   x = 1,805,506,326.56/19,675.50
6. Step 6: Final answer
   x = 91,764.19