Finding the Third Proportional to 28,829 and 43,243.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,829 : 43,243.50 = 43,243.50 : x
2. Step 2: Convert to fraction form
   28,829/43,243.50 = 43,243.50/x
3. Step 3: Cross multiply
   28,829x = 43,243.50 × 43,243.50
4. Step 4: Simplify right side
   28,829x = 1,870,000,292.25
5. Step 5: Solve for x
   x = 1,870,000,292.25/28,829
6. Step 6: Final answer
   x = 64,865.25