Finding the Third Proportional to 231,808 and 488,938

Step by Step Solution

1. Step 1: Write the proportion equation
   231,808 : 488,938 = 488,938 : x
2. Step 2: Convert to fraction form
   231,808/488,938 = 488,938/x
3. Step 3: Cross multiply
   231,808x = 488,938 × 488,938
4. Step 4: Simplify right side
   231,808x = 239,060,367,844
5. Step 5: Solve for x
   x = 239,060,367,844/231,808
6. Step 6: Final answer
   x = 1,031,286.10