Finding the Third Proportional to 56,704.50 and 123,615

Step by Step Solution

1. Step 1: Write the proportion equation
   56,704.50 : 123,615 = 123,615 : x
2. Step 2: Convert to fraction form
   56,704.50/123,615 = 123,615/x
3. Step 3: Cross multiply
   56,704.50x = 123,615 × 123,615
4. Step 4: Simplify right side
   56,704.50x = 15,280,668,225
5. Step 5: Solve for x
   x = 15,280,668,225/56,704.50
6. Step 6: Final answer
   x = 269,478.93