Finding the Third Proportional to 58,015.50 and 123,618

Step by Step Solution

1. Step 1: Write the proportion equation
   58,015.50 : 123,618 = 123,618 : x
2. Step 2: Convert to fraction form
   58,015.50/123,618 = 123,618/x
3. Step 3: Cross multiply
   58,015.50x = 123,618 × 123,618
4. Step 4: Simplify right side
   58,015.50x = 15,281,409,924
5. Step 5: Solve for x
   x = 15,281,409,924/58,015.50
6. Step 6: Final answer
   x = 263,402.19