Finding the Third Proportional to 89,896.50 and 129,492

Step by Step Solution

1. Step 1: Write the proportion equation
   89,896.50 : 129,492 = 129,492 : x
2. Step 2: Convert to fraction form
   89,896.50/129,492 = 129,492/x
3. Step 3: Cross multiply
   89,896.50x = 129,492 × 129,492
4. Step 4: Simplify right side
   89,896.50x = 16,768,178,064
5. Step 5: Solve for x
   x = 16,768,178,064/89,896.50
6. Step 6: Final answer
   x = 186,527.60