Finding the Third Proportional to 249,475.50 and 384,057

Step by Step Solution

1. Step 1: Write the proportion equation
   249,475.50 : 384,057 = 384,057 : x
2. Step 2: Convert to fraction form
   249,475.50/384,057 = 384,057/x
3. Step 3: Cross multiply
   249,475.50x = 384,057 × 384,057
4. Step 4: Simplify right side
   249,475.50x = 147,499,779,249
5. Step 5: Solve for x
   x = 147,499,779,249/249,475.50
6. Step 6: Final answer
   x = 591,239.54