Finding the Third Proportional to 49,690 and 72,951

Step by Step Solution

1. Step 1: Write the proportion equation
   49,690 : 72,951 = 72,951 : x
2. Step 2: Convert to fraction form
   49,690/72,951 = 72,951/x
3. Step 3: Cross multiply
   49,690x = 72,951 × 72,951
4. Step 4: Simplify right side
   49,690x = 5,321,848,401
5. Step 5: Solve for x
   x = 5,321,848,401/49,690
6. Step 6: Final answer
   x = 107,100.99