Finding the Third Proportional to 85,419.56 and 183,981.38

Step by Step Solution

1. Step 1: Write the proportion equation
   85,419.56 : 183,981.38 = 183,981.38 : x
2. Step 2: Convert to fraction form
   85,419.56/183,981.38 = 183,981.38/x
3. Step 3: Cross multiply
   85,419.56x = 183,981.38 × 183,981.38
4. Step 4: Simplify right side
   85,419.56x = 33,849,146,346.89
5. Step 5: Solve for x
   x = 33,849,146,346.89/85,419.56
6. Step 6: Final answer
   x = 396,269.25