Finding the Third Proportional to 47,292 and 71,503

Step by Step Solution

1. Step 1: Write the proportion equation
   47,292 : 71,503 = 71,503 : x
2. Step 2: Convert to fraction form
   47,292/71,503 = 71,503/x
3. Step 3: Cross multiply
   47,292x = 71,503 × 71,503
4. Step 4: Simplify right side
   47,292x = 5,112,679,009
5. Step 5: Solve for x
   x = 5,112,679,009/47,292
6. Step 6: Final answer
   x = 108,108.75