Finding the Third Proportional to 28,290 and 58,902.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,290 : 58,902.75 = 58,902.75 : x
2. Step 2: Convert to fraction form
   28,290/58,902.75 = 58,902.75/x
3. Step 3: Cross multiply
   28,290x = 58,902.75 × 58,902.75
4. Step 4: Simplify right side
   28,290x = 3,469,533,957.56
5. Step 5: Solve for x
   x = 3,469,533,957.56/28,290
6. Step 6: Final answer
   x = 122,641.71