Finding the Third Proportional to 40,190.63 and 87,298.88

Step by Step Solution

1. Step 1: Write the proportion equation
   40,190.63 : 87,298.88 = 87,298.88 : x
2. Step 2: Convert to fraction form
   40,190.63/87,298.88 = 87,298.88/x
3. Step 3: Cross multiply
   40,190.63x = 87,298.88 × 87,298.88
4. Step 4: Simplify right side
   40,190.63x = 7,621,093,576.27
5. Step 5: Solve for x
   x = 7,621,093,576.27/40,190.63
6. Step 6: Final answer
   x = 189,623.66