Finding the Third Proportional to 5,911.03 and 12,973.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,911.03 : 12,973.78 = 12,973.78 : x
2. Step 2: Convert to fraction form
   5,911.03/12,973.78 = 12,973.78/x
3. Step 3: Cross multiply
   5,911.03x = 12,973.78 × 12,973.78
4. Step 4: Simplify right side
   5,911.03x = 168,318,999.92
5. Step 5: Solve for x
   x = 168,318,999.92/5,911.03
6. Step 6: Final answer
   x = 28,475.40