Finding the Third Proportional to 355,216.50 and 760,977

Step by Step Solution

1. Step 1: Write the proportion equation
   355,216.50 : 760,977 = 760,977 : x
2. Step 2: Convert to fraction form
   355,216.50/760,977 = 760,977/x
3. Step 3: Cross multiply
   355,216.50x = 760,977 × 760,977
4. Step 4: Simplify right side
   355,216.50x = 579,085,994,529
5. Step 5: Solve for x
   x = 579,085,994,529/355,216.50
6. Step 6: Final answer
   x = 1,630,233.94