Finding the Third Proportional to 40,251.94 and 87,423.05

Step by Step Solution

1. Step 1: Write the proportion equation
   40,251.94 : 87,423.05 = 87,423.05 : x
2. Step 2: Convert to fraction form
   40,251.94/87,423.05 = 87,423.05/x
3. Step 3: Cross multiply
   40,251.94x = 87,423.05 × 87,423.05
4. Step 4: Simplify right side
   40,251.94x = 7,642,789,124.91
5. Step 5: Solve for x
   x = 7,642,789,124.91/40,251.94
6. Step 6: Final answer
   x = 189,873.82