Finding the Third Proportional to 25,213.50 and 40,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,213.50 : 40,513.50 = 40,513.50 : x
2. Step 2: Convert to fraction form
   25,213.50/40,513.50 = 40,513.50/x
3. Step 3: Cross multiply
   25,213.50x = 40,513.50 × 40,513.50
4. Step 4: Simplify right side
   25,213.50x = 1,641,343,682.25
5. Step 5: Solve for x
   x = 1,641,343,682.25/25,213.50
6. Step 6: Final answer
   x = 65,097.81