Finding the Third Proportional to 397,186.50 and 599,488

Step by Step Solution

1. Step 1: Write the proportion equation
   397,186.50 : 599,488 = 599,488 : x
2. Step 2: Convert to fraction form
   397,186.50/599,488 = 599,488/x
3. Step 3: Cross multiply
   397,186.50x = 599,488 × 599,488
4. Step 4: Simplify right side
   397,186.50x = 359,385,862,144
5. Step 5: Solve for x
   x = 359,385,862,144/397,186.50
6. Step 6: Final answer
   x = 904,829.00