Finding the Third Proportional to 67,878 and 113,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,878 : 113,116.50 = 113,116.50 : x
2. Step 2: Convert to fraction form
   67,878/113,116.50 = 113,116.50/x
3. Step 3: Cross multiply
   67,878x = 113,116.50 × 113,116.50
4. Step 4: Simplify right side
   67,878x = 12,795,342,572.25
5. Step 5: Solve for x
   x = 12,795,342,572.25/67,878
6. Step 6: Final answer
   x = 188,505.00