Finding the Third Proportional to 108,760 and 153,160

Step by Step Solution

1. Step 1: Write the proportion equation
   108,760 : 153,160 = 153,160 : x
2. Step 2: Convert to fraction form
   108,760/153,160 = 153,160/x
3. Step 3: Cross multiply
   108,760x = 153,160 × 153,160
4. Step 4: Simplify right side
   108,760x = 23,457,985,600
5. Step 5: Solve for x
   x = 23,457,985,600/108,760
6. Step 6: Final answer
   x = 215,685.78