Finding the Third Proportional to 16,139.25 and 33,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139.25 : 33,412.50 = 33,412.50 : x
2. Step 2: Convert to fraction form
   16,139.25/33,412.50 = 33,412.50/x
3. Step 3: Cross multiply
   16,139.25x = 33,412.50 × 33,412.50
4. Step 4: Simplify right side
   16,139.25x = 1,116,395,156.25
5. Step 5: Solve for x
   x = 1,116,395,156.25/16,139.25
6. Step 6: Final answer
   x = 69,172.68