Finding the Third Proportional to 18,460.50 and 39,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,460.50 : 39,607.50 = 39,607.50 : x
2. Step 2: Convert to fraction form
   18,460.50/39,607.50 = 39,607.50/x
3. Step 3: Cross multiply
   18,460.50x = 39,607.50 × 39,607.50
4. Step 4: Simplify right side
   18,460.50x = 1,568,754,056.25
5. Step 5: Solve for x
   x = 1,568,754,056.25/18,460.50
6. Step 6: Final answer
   x = 84,978.96