Finding the Third Proportional to 39,396.94 and 84,329.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,396.94 : 84,329.72 = 84,329.72 : x
2. Step 2: Convert to fraction form
   39,396.94/84,329.72 = 84,329.72/x
3. Step 3: Cross multiply
   39,396.94x = 84,329.72 × 84,329.72
4. Step 4: Simplify right side
   39,396.94x = 7,111,501,464.45
5. Step 5: Solve for x
   x = 7,111,501,464.45/39,396.94
6. Step 6: Final answer
   x = 180,508.99