Finding the Third Proportional to 28,778.91 and 58,984.31

Step by Step Solution

1. Step 1: Write the proportion equation
   28,778.91 : 58,984.31 = 58,984.31 : x
2. Step 2: Convert to fraction form
   28,778.91/58,984.31 = 58,984.31/x
3. Step 3: Cross multiply
   28,778.91x = 58,984.31 × 58,984.31
4. Step 4: Simplify right side
   28,778.91x = 3,479,149,121.10
5. Step 5: Solve for x
   x = 3,479,149,121.10/28,778.91
6. Step 6: Final answer
   x = 120,892.33