Finding the Third Proportional to 18,427.50 and 37,948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,427.50 : 37,948.50 = 37,948.50 : x
2. Step 2: Convert to fraction form
   18,427.50/37,948.50 = 37,948.50/x
3. Step 3: Cross multiply
   18,427.50x = 37,948.50 × 37,948.50
4. Step 4: Simplify right side
   18,427.50x = 1,440,088,652.25
5. Step 5: Solve for x
   x = 1,440,088,652.25/18,427.50
6. Step 6: Final answer
   x = 78,148.89