Finding the Third Proportional to 50,130 and 89,110

Step by Step Solution

1. Step 1: Write the proportion equation
   50,130 : 89,110 = 89,110 : x
2. Step 2: Convert to fraction form
   50,130/89,110 = 89,110/x
3. Step 3: Cross multiply
   50,130x = 89,110 × 89,110
4. Step 4: Simplify right side
   50,130x = 7,940,592,100
5. Step 5: Solve for x
   x = 7,940,592,100/50,130
6. Step 6: Final answer
   x = 158,400.00