Finding the Third Proportional to 82,012.50 and 118,503

Step by Step Solution

1. Step 1: Write the proportion equation
   82,012.50 : 118,503 = 118,503 : x
2. Step 2: Convert to fraction form
   82,012.50/118,503 = 118,503/x
3. Step 3: Cross multiply
   82,012.50x = 118,503 × 118,503
4. Step 4: Simplify right side
   82,012.50x = 14,042,961,009
5. Step 5: Solve for x
   x = 14,042,961,009/82,012.50
6. Step 6: Final answer
   x = 171,229.52