Finding the Third Proportional to 87,616.69 and 123,975.56

Step by Step Solution

1. Step 1: Write the proportion equation
   87,616.69 : 123,975.56 = 123,975.56 : x
2. Step 2: Convert to fraction form
   87,616.69/123,975.56 = 123,975.56/x
3. Step 3: Cross multiply
   87,616.69x = 123,975.56 × 123,975.56
4. Step 4: Simplify right side
   87,616.69x = 15,369,940,097.19
5. Step 5: Solve for x
   x = 15,369,940,097.19/87,616.69
6. Step 6: Final answer
   x = 175,422.52