Finding the Third Proportional to 40,224.09 and 86,773.78

Step by Step Solution

1. Step 1: Write the proportion equation
   40,224.09 : 86,773.78 = 86,773.78 : x
2. Step 2: Convert to fraction form
   40,224.09/86,773.78 = 86,773.78/x
3. Step 3: Cross multiply
   40,224.09x = 86,773.78 × 86,773.78
4. Step 4: Simplify right side
   40,224.09x = 7,529,689,112.42
5. Step 5: Solve for x
   x = 7,529,689,112.42/40,224.09
6. Step 6: Final answer
   x = 187,193.51