Finding the Third Proportional to 431,144 and 906,938

Step by Step Solution

1. Step 1: Write the proportion equation
   431,144 : 906,938 = 906,938 : x
2. Step 2: Convert to fraction form
   431,144/906,938 = 906,938/x
3. Step 3: Cross multiply
   431,144x = 906,938 × 906,938
4. Step 4: Simplify right side
   431,144x = 822,536,535,844
5. Step 5: Solve for x
   x = 822,536,535,844/431,144
6. Step 6: Final answer
   x = 1,907,800.03