Finding the Third Proportional to 15,428.81 and 33,262.31

Step by Step Solution

1. Step 1: Write the proportion equation
   15,428.81 : 33,262.31 = 33,262.31 : x
2. Step 2: Convert to fraction form
   15,428.81/33,262.31 = 33,262.31/x
3. Step 3: Cross multiply
   15,428.81x = 33,262.31 × 33,262.31
4. Step 4: Simplify right side
   15,428.81x = 1,106,381,432.85
5. Step 5: Solve for x
   x = 1,106,381,432.85/15,428.81
6. Step 6: Final answer
   x = 71,708.79