Finding the Third Proportional to 12,116 and 29,172

Step by Step Solution

1. Step 1: Write the proportion equation
   12,116 : 29,172 = 29,172 : x
2. Step 2: Convert to fraction form
   12,116/29,172 = 29,172/x
3. Step 3: Cross multiply
   12,116x = 29,172 × 29,172
4. Step 4: Simplify right side
   12,116x = 851,005,584
5. Step 5: Solve for x
   x = 851,005,584/12,116
6. Step 6: Final answer
   x = 70,238.16