Finding the Third Proportional to 112,128 and 132,608

Step by Step Solution

1. Step 1: Write the proportion equation
   112,128 : 132,608 = 132,608 : x
2. Step 2: Convert to fraction form
   112,128/132,608 = 132,608/x
3. Step 3: Cross multiply
   112,128x = 132,608 × 132,608
4. Step 4: Simplify right side
   112,128x = 17,584,881,664
5. Step 5: Solve for x
   x = 17,584,881,664/112,128
6. Step 6: Final answer
   x = 156,828.64