Finding the Third Proportional to 36,387.98 and 79,564.78

Step by Step Solution

1. Step 1: Write the proportion equation
   36,387.98 : 79,564.78 = 79,564.78 : x
2. Step 2: Convert to fraction form
   36,387.98/79,564.78 = 79,564.78/x
3. Step 3: Cross multiply
   36,387.98x = 79,564.78 × 79,564.78
4. Step 4: Simplify right side
   36,387.98x = 6,330,554,415.36
5. Step 5: Solve for x
   x = 6,330,554,415.36/36,387.98
6. Step 6: Final answer
   x = 173,973.76