Finding the Third Proportional to 12,784 and 30,296

Step by Step Solution

1. Step 1: Write the proportion equation
   12,784 : 30,296 = 30,296 : x
2. Step 2: Convert to fraction form
   12,784/30,296 = 30,296/x
3. Step 3: Cross multiply
   12,784x = 30,296 × 30,296
4. Step 4: Simplify right side
   12,784x = 917,847,616
5. Step 5: Solve for x
   x = 917,847,616/12,784
6. Step 6: Final answer
   x = 71,796.59