Finding the Third Proportional to 116,713 and 180,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,713 : 180,245.50 = 180,245.50 : x
2. Step 2: Convert to fraction form
   116,713/180,245.50 = 180,245.50/x
3. Step 3: Cross multiply
   116,713x = 180,245.50 × 180,245.50
4. Step 4: Simplify right side
   116,713x = 32,488,440,270.25
5. Step 5: Solve for x
   x = 32,488,440,270.25/116,713
6. Step 6: Final answer
   x = 278,361.80