Finding the Third Proportional to 18,337.50 and 35,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,337.50 : 35,215.50 = 35,215.50 : x
2. Step 2: Convert to fraction form
   18,337.50/35,215.50 = 35,215.50/x
3. Step 3: Cross multiply
   18,337.50x = 35,215.50 × 35,215.50
4. Step 4: Simplify right side
   18,337.50x = 1,240,131,440.25
5. Step 5: Solve for x
   x = 1,240,131,440.25/18,337.50
6. Step 6: Final answer
   x = 67,628.16