Finding the Third Proportional to 405,158.84 and 868,082.38

Step by Step Solution

1. Step 1: Write the proportion equation
   405,158.84 : 868,082.38 = 868,082.38 : x
2. Step 2: Convert to fraction form
   405,158.84/868,082.38 = 868,082.38/x
3. Step 3: Cross multiply
   405,158.84x = 868,082.38 × 868,082.38
4. Step 4: Simplify right side
   405,158.84x = 753,567,016,567.53
5. Step 5: Solve for x
   x = 753,567,016,567.53/405,158.84
6. Step 6: Final answer
   x = 1,859,929.86