Finding the Third Proportional to 89,894 and 129,488

Step by Step Solution

1. Step 1: Write the proportion equation
   89,894 : 129,488 = 129,488 : x
2. Step 2: Convert to fraction form
   89,894/129,488 = 129,488/x
3. Step 3: Cross multiply
   89,894x = 129,488 × 129,488
4. Step 4: Simplify right side
   89,894x = 16,767,142,144
5. Step 5: Solve for x
   x = 16,767,142,144/89,894
6. Step 6: Final answer
   x = 186,521.26