Finding the Third Proportional to 359,981.25 and 773,384.25

Step by Step Solution

1. Step 1: Write the proportion equation
   359,981.25 : 773,384.25 = 773,384.25 : x
2. Step 2: Convert to fraction form
   359,981.25/773,384.25 = 773,384.25/x
3. Step 3: Cross multiply
   359,981.25x = 773,384.25 × 773,384.25
4. Step 4: Simplify right side
   359,981.25x = 598,123,198,148.06
5. Step 5: Solve for x
   x = 598,123,198,148.06/359,981.25
6. Step 6: Final answer
   x = 1,661,539.87