Finding the Third Proportional to 308,596 and 480,938

Step by Step Solution

1. Step 1: Write the proportion equation
   308,596 : 480,938 = 480,938 : x
2. Step 2: Convert to fraction form
   308,596/480,938 = 480,938/x
3. Step 3: Cross multiply
   308,596x = 480,938 × 480,938
4. Step 4: Simplify right side
   308,596x = 231,301,359,844
5. Step 5: Solve for x
   x = 231,301,359,844/308,596
6. Step 6: Final answer
   x = 749,528.06