Finding the Third Proportional to 12,357.98 and 29,160.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,357.98 : 29,160.42 = 29,160.42 : x
2. Step 2: Convert to fraction form
   12,357.98/29,160.42 = 29,160.42/x
3. Step 3: Cross multiply
   12,357.98x = 29,160.42 × 29,160.42
4. Step 4: Simplify right side
   12,357.98x = 850,330,203.93
5. Step 5: Solve for x
   x = 850,330,203.93/12,357.98
6. Step 6: Final answer
   x = 68,808.16