Finding the Third Proportional to 116,645.50 and 180,436

Step by Step Solution

1. Step 1: Write the proportion equation
   116,645.50 : 180,436 = 180,436 : x
2. Step 2: Convert to fraction form
   116,645.50/180,436 = 180,436/x
3. Step 3: Cross multiply
   116,645.50x = 180,436 × 180,436
4. Step 4: Simplify right side
   116,645.50x = 32,557,150,096
5. Step 5: Solve for x
   x = 32,557,150,096/116,645.50
6. Step 6: Final answer
   x = 279,111.93