Finding the Third Proportional to 28,625.63 and 43,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,625.63 : 43,789.50 = 43,789.50 : x
2. Step 2: Convert to fraction form
   28,625.63/43,789.50 = 43,789.50/x
3. Step 3: Cross multiply
   28,625.63x = 43,789.50 × 43,789.50
4. Step 4: Simplify right side
   28,625.63x = 1,917,520,310.25
5. Step 5: Solve for x
   x = 1,917,520,310.25/28,625.63
6. Step 6: Final answer
   x = 66,986.15