Finding the Third Proportional to 18,153.75 and 37,970.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,153.75 : 37,970.25 = 37,970.25 : x
2. Step 2: Convert to fraction form
   18,153.75/37,970.25 = 37,970.25/x
3. Step 3: Cross multiply
   18,153.75x = 37,970.25 × 37,970.25
4. Step 4: Simplify right side
   18,153.75x = 1,441,739,885.06
5. Step 5: Solve for x
   x = 1,441,739,885.06/18,153.75
6. Step 6: Final answer
   x = 79,418.30