Finding the Third Proportional to 431,325.75 and 907,272

Step by Step Solution

1. Step 1: Write the proportion equation
   431,325.75 : 907,272 = 907,272 : x
2. Step 2: Convert to fraction form
   431,325.75/907,272 = 907,272/x
3. Step 3: Cross multiply
   431,325.75x = 907,272 × 907,272
4. Step 4: Simplify right side
   431,325.75x = 823,142,481,984
5. Step 5: Solve for x
   x = 823,142,481,984/431,325.75
6. Step 6: Final answer
   x = 1,908,400.98