Finding the Third Proportional to 28,176.75 and 43,609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,176.75 : 43,609.50 = 43,609.50 : x
2. Step 2: Convert to fraction form
   28,176.75/43,609.50 = 43,609.50/x
3. Step 3: Cross multiply
   28,176.75x = 43,609.50 × 43,609.50
4. Step 4: Simplify right side
   28,176.75x = 1,901,788,490.25
5. Step 5: Solve for x
   x = 1,901,788,490.25/28,176.75
6. Step 6: Final answer
   x = 67,494.96