Finding the Third Proportional to 389,136 and 852,082

Step by Step Solution

1. Step 1: Write the proportion equation
   389,136 : 852,082 = 852,082 : x
2. Step 2: Convert to fraction form
   389,136/852,082 = 852,082/x
3. Step 3: Cross multiply
   389,136x = 852,082 × 852,082
4. Step 4: Simplify right side
   389,136x = 726,043,734,724
5. Step 5: Solve for x
   x = 726,043,734,724/389,136
6. Step 6: Final answer
   x = 1,865,784.03