Finding the Third Proportional to 28,579.50 and 60,615

Step by Step Solution

1. Step 1: Write the proportion equation
   28,579.50 : 60,615 = 60,615 : x
2. Step 2: Convert to fraction form
   28,579.50/60,615 = 60,615/x
3. Step 3: Cross multiply
   28,579.50x = 60,615 × 60,615
4. Step 4: Simplify right side
   28,579.50x = 3,674,178,225
5. Step 5: Solve for x
   x = 3,674,178,225/28,579.50
6. Step 6: Final answer
   x = 128,559.92