Finding the Third Proportional to 231,190 and 499,604

Step by Step Solution

1. Step 1: Write the proportion equation
   231,190 : 499,604 = 499,604 : x
2. Step 2: Convert to fraction form
   231,190/499,604 = 499,604/x
3. Step 3: Cross multiply
   231,190x = 499,604 × 499,604
4. Step 4: Simplify right side
   231,190x = 249,604,156,816
5. Step 5: Solve for x
   x = 249,604,156,816/231,190
6. Step 6: Final answer
   x = 1,079,649.45