Finding the Third Proportional to 28,297.50 and 58,920.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,297.50 : 58,920.75 = 58,920.75 : x
2. Step 2: Convert to fraction form
   28,297.50/58,920.75 = 58,920.75/x
3. Step 3: Cross multiply
   28,297.50x = 58,920.75 × 58,920.75
4. Step 4: Simplify right side
   28,297.50x = 3,471,654,780.56
5. Step 5: Solve for x
   x = 3,471,654,780.56/28,297.50
6. Step 6: Final answer
   x = 122,684.15