Finding the Third Proportional to 28,855.50 and 45,105.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,855.50 : 45,105.75 = 45,105.75 : x
2. Step 2: Convert to fraction form
   28,855.50/45,105.75 = 45,105.75/x
3. Step 3: Cross multiply
   28,855.50x = 45,105.75 × 45,105.75
4. Step 4: Simplify right side
   28,855.50x = 2,034,528,683.06
5. Step 5: Solve for x
   x = 2,034,528,683.06/28,855.50
6. Step 6: Final answer
   x = 70,507.48