Finding the Third Proportional to 361,036.50 and 773,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   361,036.50 : 773,308.50 = 773,308.50 : x
2. Step 2: Convert to fraction form
   361,036.50/773,308.50 = 773,308.50/x
3. Step 3: Cross multiply
   361,036.50x = 773,308.50 × 773,308.50
4. Step 4: Simplify right side
   361,036.50x = 598,006,036,172.25
5. Step 5: Solve for x
   x = 598,006,036,172.25/361,036.50
6. Step 6: Final answer
   x = 1,656,358.94