Finding the Third Proportional to 34,665 and 51,486

Step by Step Solution

1. Step 1: Write the proportion equation
   34,665 : 51,486 = 51,486 : x
2. Step 2: Convert to fraction form
   34,665/51,486 = 51,486/x
3. Step 3: Cross multiply
   34,665x = 51,486 × 51,486
4. Step 4: Simplify right side
   34,665x = 2,650,808,196
5. Step 5: Solve for x
   x = 2,650,808,196/34,665
6. Step 6: Final answer
   x = 76,469.30