Finding the Third Proportional to 39,981.94 and 85,499.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,981.94 : 85,499.72 = 85,499.72 : x
2. Step 2: Convert to fraction form
   39,981.94/85,499.72 = 85,499.72/x
3. Step 3: Cross multiply
   39,981.94x = 85,499.72 × 85,499.72
4. Step 4: Simplify right side
   39,981.94x = 7,310,201,906.33
5. Step 5: Solve for x
   x = 7,310,201,906.33/39,981.94
6. Step 6: Final answer
   x = 182,837.61