Finding the Third Proportional to 28,709.63 and 40,830.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,709.63 : 40,830.75 = 40,830.75 : x
2. Step 2: Convert to fraction form
   28,709.63/40,830.75 = 40,830.75/x
3. Step 3: Cross multiply
   28,709.63x = 40,830.75 × 40,830.75
4. Step 4: Simplify right side
   28,709.63x = 1,667,150,145.56
5. Step 5: Solve for x
   x = 1,667,150,145.56/28,709.63
6. Step 6: Final answer
   x = 58,069.38