Finding the Third Proportional to 158,091.75 and 213,748.88

Step by Step Solution

1. Step 1: Write the proportion equation
   158,091.75 : 213,748.88 = 213,748.88 : x
2. Step 2: Convert to fraction form
   158,091.75/213,748.88 = 213,748.88/x
3. Step 3: Cross multiply
   158,091.75x = 213,748.88 × 213,748.88
4. Step 4: Simplify right side
   158,091.75x = 45,688,581,563.77
5. Step 5: Solve for x
   x = 45,688,581,563.77/158,091.75
6. Step 6: Final answer
   x = 289,000.42