Finding the Third Proportional to 58,072.50 and 127,211

Step by Step Solution

1. Step 1: Write the proportion equation
   58,072.50 : 127,211 = 127,211 : x
2. Step 2: Convert to fraction form
   58,072.50/127,211 = 127,211/x
3. Step 3: Cross multiply
   58,072.50x = 127,211 × 127,211
4. Step 4: Simplify right side
   58,072.50x = 16,182,638,521
5. Step 5: Solve for x
   x = 16,182,638,521/58,072.50
6. Step 6: Final answer
   x = 278,662.68