Finding the Third Proportional to 82,899 and 131,466

Step by Step Solution

1. Step 1: Write the proportion equation
   82,899 : 131,466 = 131,466 : x
2. Step 2: Convert to fraction form
   82,899/131,466 = 131,466/x
3. Step 3: Cross multiply
   82,899x = 131,466 × 131,466
4. Step 4: Simplify right side
   82,899x = 17,283,309,156
5. Step 5: Solve for x
   x = 17,283,309,156/82,899
6. Step 6: Final answer
   x = 208,486.34