Finding the Third Proportional to 28,286.81 and 58,898.91

Step by Step Solution

1. Step 1: Write the proportion equation
   28,286.81 : 58,898.91 = 58,898.91 : x
2. Step 2: Convert to fraction form
   28,286.81/58,898.91 = 58,898.91/x
3. Step 3: Cross multiply
   28,286.81x = 58,898.91 × 58,898.91
4. Step 4: Simplify right side
   28,286.81x = 3,469,081,157.45
5. Step 5: Solve for x
   x = 3,469,081,157.45/28,286.81
6. Step 6: Final answer
   x = 122,639.52