Finding the Third Proportional to 100,500 and 147,960

Step by Step Solution

1. Step 1: Write the proportion equation
   100,500 : 147,960 = 147,960 : x
2. Step 2: Convert to fraction form
   100,500/147,960 = 147,960/x
3. Step 3: Cross multiply
   100,500x = 147,960 × 147,960
4. Step 4: Simplify right side
   100,500x = 21,892,161,600
5. Step 5: Solve for x
   x = 21,892,161,600/100,500
6. Step 6: Final answer
   x = 217,832.45