Finding the Third Proportional to 80,385 and 118,252.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,385 : 118,252.50 = 118,252.50 : x
2. Step 2: Convert to fraction form
   80,385/118,252.50 = 118,252.50/x
3. Step 3: Cross multiply
   80,385x = 118,252.50 × 118,252.50
4. Step 4: Simplify right side
   80,385x = 13,983,653,756.25
5. Step 5: Solve for x
   x = 13,983,653,756.25/80,385
6. Step 6: Final answer
   x = 173,958.50