Finding the Third Proportional to 431,200 and 907,082

Step by Step Solution

1. Step 1: Write the proportion equation
   431,200 : 907,082 = 907,082 : x
2. Step 2: Convert to fraction form
   431,200/907,082 = 907,082/x
3. Step 3: Cross multiply
   431,200x = 907,082 × 907,082
4. Step 4: Simplify right side
   431,200x = 822,797,754,724
5. Step 5: Solve for x
   x = 822,797,754,724/431,200
6. Step 6: Final answer
   x = 1,908,158.06