Finding the Third Proportional to 15,380.50 and 33,428.75

Step by Step Solution

1. Step 1: Write the proportion equation
   15,380.50 : 33,428.75 = 33,428.75 : x
2. Step 2: Convert to fraction form
   15,380.50/33,428.75 = 33,428.75/x
3. Step 3: Cross multiply
   15,380.50x = 33,428.75 × 33,428.75
4. Step 4: Simplify right side
   15,380.50x = 1,117,481,326.56
5. Step 5: Solve for x
   x = 1,117,481,326.56/15,380.50
6. Step 6: Final answer
   x = 72,655.72