Finding the Third Proportional to 13,144.78 and 28,499.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,144.78 : 28,499.34 = 28,499.34 : x
2. Step 2: Convert to fraction form
   13,144.78/28,499.34 = 28,499.34/x
3. Step 3: Cross multiply
   13,144.78x = 28,499.34 × 28,499.34
4. Step 4: Simplify right side
   13,144.78x = 812,212,594.18
5. Step 5: Solve for x
   x = 812,212,594.18/13,144.78
6. Step 6: Final answer
   x = 61,789.74