Finding the Third Proportional to 36,035.67 and 78,858.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,035.67 : 78,858.72 = 78,858.72 : x
2. Step 2: Convert to fraction form
   36,035.67/78,858.72 = 78,858.72/x
3. Step 3: Cross multiply
   36,035.67x = 78,858.72 × 78,858.72
4. Step 4: Simplify right side
   36,035.67x = 6,218,697,830.93
5. Step 5: Solve for x
   x = 6,218,697,830.93/36,035.67
6. Step 6: Final answer
   x = 172,570.64