Finding the Third Proportional to 47,418 and 71,253

Step by Step Solution

1. Step 1: Write the proportion equation
   47,418 : 71,253 = 71,253 : x
2. Step 2: Convert to fraction form
   47,418/71,253 = 71,253/x
3. Step 3: Cross multiply
   47,418x = 71,253 × 71,253
4. Step 4: Simplify right side
   47,418x = 5,076,990,009
5. Step 5: Solve for x
   x = 5,076,990,009/47,418
6. Step 6: Final answer
   x = 107,068.83