Finding the Third Proportional to 69,618 and 104,123

Step by Step Solution

1. Step 1: Write the proportion equation
   69,618 : 104,123 = 104,123 : x
2. Step 2: Convert to fraction form
   69,618/104,123 = 104,123/x
3. Step 3: Cross multiply
   69,618x = 104,123 × 104,123
4. Step 4: Simplify right side
   69,618x = 10,841,599,129
5. Step 5: Solve for x
   x = 10,841,599,129/69,618
6. Step 6: Final answer
   x = 155,729.83