Finding the Third Proportional to 40,564.50 and 87,126

Step by Step Solution

1. Step 1: Write the proportion equation
   40,564.50 : 87,126 = 87,126 : x
2. Step 2: Convert to fraction form
   40,564.50/87,126 = 87,126/x
3. Step 3: Cross multiply
   40,564.50x = 87,126 × 87,126
4. Step 4: Simplify right side
   40,564.50x = 7,590,939,876
5. Step 5: Solve for x
   x = 7,590,939,876/40,564.50
6. Step 6: Final answer
   x = 187,132.59