Finding the Third Proportional to 45,756 and 72,900

Step by Step Solution

1. Step 1: Write the proportion equation
   45,756 : 72,900 = 72,900 : x
2. Step 2: Convert to fraction form
   45,756/72,900 = 72,900/x
3. Step 3: Cross multiply
   45,756x = 72,900 × 72,900
4. Step 4: Simplify right side
   45,756x = 5,314,410,000
5. Step 5: Solve for x
   x = 5,314,410,000/45,756
6. Step 6: Final answer
   x = 116,146.73