Finding the Third Proportional to 18,294.50 and 39,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,294.50 : 39,410.50 = 39,410.50 : x
2. Step 2: Convert to fraction form
   18,294.50/39,410.50 = 39,410.50/x
3. Step 3: Cross multiply
   18,294.50x = 39,410.50 × 39,410.50
4. Step 4: Simplify right side
   18,294.50x = 1,553,187,510.25
5. Step 5: Solve for x
   x = 1,553,187,510.25/18,294.50
6. Step 6: Final answer
   x = 84,899.15