Finding the Third Proportional to 12,948.29 and 28,311.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,948.29 : 28,311.40 = 28,311.40 : x
2. Step 2: Convert to fraction form
   12,948.29/28,311.40 = 28,311.40/x
3. Step 3: Cross multiply
   12,948.29x = 28,311.40 × 28,311.40
4. Step 4: Simplify right side
   12,948.29x = 801,535,281.49
5. Step 5: Solve for x
   x = 801,535,281.49/12,948.29
6. Step 6: Final answer
   x = 61,902.78