Finding the Third Proportional to 116,617.50 and 180,081

Step by Step Solution

1. Step 1: Write the proportion equation
   116,617.50 : 180,081 = 180,081 : x
2. Step 2: Convert to fraction form
   116,617.50/180,081 = 180,081/x
3. Step 3: Cross multiply
   116,617.50x = 180,081 × 180,081
4. Step 4: Simplify right side
   116,617.50x = 32,429,166,561
5. Step 5: Solve for x
   x = 32,429,166,561/116,617.50
6. Step 6: Final answer
   x = 278,081.48