Finding the Third Proportional to 15,678.56 and 33,539.06

Step by Step Solution

1. Step 1: Write the proportion equation
   15,678.56 : 33,539.06 = 33,539.06 : x
2. Step 2: Convert to fraction form
   15,678.56/33,539.06 = 33,539.06/x
3. Step 3: Cross multiply
   15,678.56x = 33,539.06 × 33,539.06
4. Step 4: Simplify right side
   15,678.56x = 1,124,868,713.38
5. Step 5: Solve for x
   x = 1,124,868,713.38/15,678.56
6. Step 6: Final answer
   x = 71,745.65