Finding the Third Proportional to 67,018.50 and 100,198.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,018.50 : 100,198.50 = 100,198.50 : x
2. Step 2: Convert to fraction form
   67,018.50/100,198.50 = 100,198.50/x
3. Step 3: Cross multiply
   67,018.50x = 100,198.50 × 100,198.50
4. Step 4: Simplify right side
   67,018.50x = 10,039,739,402.25
5. Step 5: Solve for x
   x = 10,039,739,402.25/67,018.50
6. Step 6: Final answer
   x = 149,805.49