Finding the Third Proportional to 12,902.63 and 29,836.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,902.63 : 29,836.69 = 29,836.69 : x
2. Step 2: Convert to fraction form
   12,902.63/29,836.69 = 29,836.69/x
3. Step 3: Cross multiply
   12,902.63x = 29,836.69 × 29,836.69
4. Step 4: Simplify right side
   12,902.63x = 890,227,920.97
5. Step 5: Solve for x
   x = 890,227,920.97/12,902.63
6. Step 6: Final answer
   x = 68,995.88