Finding the Third Proportional to 431,368.50 and 907,353

Step by Step Solution

1. Step 1: Write the proportion equation
   431,368.50 : 907,353 = 907,353 : x
2. Step 2: Convert to fraction form
   431,368.50/907,353 = 907,353/x
3. Step 3: Cross multiply
   431,368.50x = 907,353 × 907,353
4. Step 4: Simplify right side
   431,368.50x = 823,289,466,609
5. Step 5: Solve for x
   x = 823,289,466,609/431,368.50
6. Step 6: Final answer
   x = 1,908,552.59