Finding the Third Proportional to 40,064.63 and 86,553.56

Step by Step Solution

1. Step 1: Write the proportion equation
   40,064.63 : 86,553.56 = 86,553.56 : x
2. Step 2: Convert to fraction form
   40,064.63/86,553.56 = 86,553.56/x
3. Step 3: Cross multiply
   40,064.63x = 86,553.56 × 86,553.56
4. Step 4: Simplify right side
   40,064.63x = 7,491,519,181.44
5. Step 5: Solve for x
   x = 7,491,519,181.44/40,064.63
6. Step 6: Final answer
   x = 186,985.88