Finding the Third Proportional to 118,217 and 180,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,217 : 180,860.50 = 180,860.50 : x
2. Step 2: Convert to fraction form
   118,217/180,860.50 = 180,860.50/x
3. Step 3: Cross multiply
   118,217x = 180,860.50 × 180,860.50
4. Step 4: Simplify right side
   118,217x = 32,710,520,460.25
5. Step 5: Solve for x
   x = 32,710,520,460.25/118,217
6. Step 6: Final answer
   x = 276,698.96