Finding the Third Proportional to 30,901.50 and 55,216.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,901.50 : 55,216.69 = 55,216.69 : x
2. Step 2: Convert to fraction form
   30,901.50/55,216.69 = 55,216.69/x
3. Step 3: Cross multiply
   30,901.50x = 55,216.69 × 55,216.69
4. Step 4: Simplify right side
   30,901.50x = 3,048,882,578.47
5. Step 5: Solve for x
   x = 3,048,882,578.47/30,901.50
6. Step 6: Final answer
   x = 98,664.55