Finding the Third Proportional to 431,208 and 907,096

Step by Step Solution

1. Step 1: Write the proportion equation
   431,208 : 907,096 = 907,096 : x
2. Step 2: Convert to fraction form
   431,208/907,096 = 907,096/x
3. Step 3: Cross multiply
   431,208x = 907,096 × 907,096
4. Step 4: Simplify right side
   431,208x = 822,823,153,216
5. Step 5: Solve for x
   x = 822,823,153,216/431,208
6. Step 6: Final answer
   x = 1,908,181.56