Finding the Third Proportional to 359,977.92 and 773,377.31

Step by Step Solution

1. Step 1: Write the proportion equation
   359,977.92 : 773,377.31 = 773,377.31 : x
2. Step 2: Convert to fraction form
   359,977.92/773,377.31 = 773,377.31/x
3. Step 3: Cross multiply
   359,977.92x = 773,377.31 × 773,377.31
4. Step 4: Simplify right side
   359,977.92x = 598,112,467,489.72
5. Step 5: Solve for x
   x = 598,112,467,489.72/359,977.92
6. Step 6: Final answer
   x = 1,661,525.42