Finding the Third Proportional to 19,431.75 and 29,711.44

Step by Step Solution

1. Step 1: Write the proportion equation
   19,431.75 : 29,711.44 = 29,711.44 : x
2. Step 2: Convert to fraction form
   19,431.75/29,711.44 = 29,711.44/x
3. Step 3: Cross multiply
   19,431.75x = 29,711.44 × 29,711.44
4. Step 4: Simplify right side
   19,431.75x = 882,769,518.32
5. Step 5: Solve for x
   x = 882,769,518.32/19,431.75
6. Step 6: Final answer
   x = 45,429.23