Finding the Third Proportional to 30,833.50 and 40,991.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,833.50 : 40,991.25 = 40,991.25 : x
2. Step 2: Convert to fraction form
   30,833.50/40,991.25 = 40,991.25/x
3. Step 3: Cross multiply
   30,833.50x = 40,991.25 × 40,991.25
4. Step 4: Simplify right side
   30,833.50x = 1,680,282,576.56
5. Step 5: Solve for x
   x = 1,680,282,576.56/30,833.50
6. Step 6: Final answer
   x = 54,495.36