Finding the Third Proportional to 13,261 and 28,345

Step by Step Solution

1. Step 1: Write the proportion equation
   13,261 : 28,345 = 28,345 : x
2. Step 2: Convert to fraction form
   13,261/28,345 = 28,345/x
3. Step 3: Cross multiply
   13,261x = 28,345 × 28,345
4. Step 4: Simplify right side
   13,261x = 803,439,025
5. Step 5: Solve for x
   x = 803,439,025/13,261
6. Step 6: Final answer
   x = 60,586.61