Finding the Third Proportional to 18,702.28 and 40,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,702.28 : 40,981.50 = 40,981.50 : x
2. Step 2: Convert to fraction form
   18,702.28/40,981.50 = 40,981.50/x
3. Step 3: Cross multiply
   18,702.28x = 40,981.50 × 40,981.50
4. Step 4: Simplify right side
   18,702.28x = 1,679,483,342.25
5. Step 5: Solve for x
   x = 1,679,483,342.25/18,702.28
6. Step 6: Final answer
   x = 89,800.99