Finding the Third Proportional to 12,898.50 and 28,226.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,898.50 : 28,226.63 = 28,226.63 : x
2. Step 2: Convert to fraction form
   12,898.50/28,226.63 = 28,226.63/x
3. Step 3: Cross multiply
   12,898.50x = 28,226.63 × 28,226.63
4. Step 4: Simplify right side
   12,898.50x = 796,742,358.89
5. Step 5: Solve for x
   x = 796,742,358.89/12,898.50
6. Step 6: Final answer
   x = 61,770.16