Finding the Third Proportional to 30,872 and 46,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,872 : 46,104.50 = 46,104.50 : x
2. Step 2: Convert to fraction form
   30,872/46,104.50 = 46,104.50/x
3. Step 3: Cross multiply
   30,872x = 46,104.50 × 46,104.50
4. Step 4: Simplify right side
   30,872x = 2,125,624,920.25
5. Step 5: Solve for x
   x = 2,125,624,920.25/30,872
6. Step 6: Final answer
   x = 68,852.84