Finding the Third Proportional to 18,428.50 and 37,950.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,428.50 : 37,950.50 = 37,950.50 : x
2. Step 2: Convert to fraction form
   18,428.50/37,950.50 = 37,950.50/x
3. Step 3: Cross multiply
   18,428.50x = 37,950.50 × 37,950.50
4. Step 4: Simplify right side
   18,428.50x = 1,440,240,450.25
5. Step 5: Solve for x
   x = 1,440,240,450.25/18,428.50
6. Step 6: Final answer
   x = 78,152.89