Finding the Third Proportional to 28,660.50 and 61,242.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,660.50 : 61,242.75 = 61,242.75 : x
2. Step 2: Convert to fraction form
   28,660.50/61,242.75 = 61,242.75/x
3. Step 3: Cross multiply
   28,660.50x = 61,242.75 × 61,242.75
4. Step 4: Simplify right side
   28,660.50x = 3,750,674,427.56
5. Step 5: Solve for x
   x = 3,750,674,427.56/28,660.50
6. Step 6: Final answer
   x = 130,865.63