Finding the Third Proportional to 388,384.50 and 602,739

Step by Step Solution

1. Step 1: Write the proportion equation
   388,384.50 : 602,739 = 602,739 : x
2. Step 2: Convert to fraction form
   388,384.50/602,739 = 602,739/x
3. Step 3: Cross multiply
   388,384.50x = 602,739 × 602,739
4. Step 4: Simplify right side
   388,384.50x = 363,294,302,121
5. Step 5: Solve for x
   x = 363,294,302,121/388,384.50
6. Step 6: Final answer
   x = 935,398.56