Finding the Third Proportional to 28,287 and 58,909.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,287 : 58,909.50 = 58,909.50 : x
2. Step 2: Convert to fraction form
   28,287/58,909.50 = 58,909.50/x
3. Step 3: Cross multiply
   28,287x = 58,909.50 × 58,909.50
4. Step 4: Simplify right side
   28,287x = 3,470,329,190.25
5. Step 5: Solve for x
   x = 3,470,329,190.25/28,287
6. Step 6: Final answer
   x = 122,682.83