Finding the Third Proportional to 18,756.50 and 40,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,756.50 : 40,998.50 = 40,998.50 : x
2. Step 2: Convert to fraction form
   18,756.50/40,998.50 = 40,998.50/x
3. Step 3: Cross multiply
   18,756.50x = 40,998.50 × 40,998.50
4. Step 4: Simplify right side
   18,756.50x = 1,680,877,002.25
5. Step 5: Solve for x
   x = 1,680,877,002.25/18,756.50
6. Step 6: Final answer
   x = 89,615.71