Finding the Third Proportional to 40,798.69 and 89,869.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,798.69 : 89,869.50 = 89,869.50 : x
2. Step 2: Convert to fraction form
   40,798.69/89,869.50 = 89,869.50/x
3. Step 3: Cross multiply
   40,798.69x = 89,869.50 × 89,869.50
4. Step 4: Simplify right side
   40,798.69x = 8,076,527,030.25
5. Step 5: Solve for x
   x = 8,076,527,030.25/40,798.69
6. Step 6: Final answer
   x = 197,960.46