Finding the Third Proportional to 47,200 and 73,672

Step by Step Solution

1. Step 1: Write the proportion equation
   47,200 : 73,672 = 73,672 : x
2. Step 2: Convert to fraction form
   47,200/73,672 = 73,672/x
3. Step 3: Cross multiply
   47,200x = 73,672 × 73,672
4. Step 4: Simplify right side
   47,200x = 5,427,563,584
5. Step 5: Solve for x
   x = 5,427,563,584/47,200
6. Step 6: Final answer
   x = 114,990.75