Finding the Third Proportional to 19,671.61 and 31,284.35

Step by Step Solution

1. Step 1: Write the proportion equation
   19,671.61 : 31,284.35 = 31,284.35 : x
2. Step 2: Convert to fraction form
   19,671.61/31,284.35 = 31,284.35/x
3. Step 3: Cross multiply
   19,671.61x = 31,284.35 × 31,284.35
4. Step 4: Simplify right side
   19,671.61x = 978,710,652.69
5. Step 5: Solve for x
   x = 978,710,652.69/19,671.61
6. Step 6: Final answer
   x = 49,752.44