Finding the Third Proportional to 359,802 and 774,976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,802 : 774,976.50 = 774,976.50 : x
2. Step 2: Convert to fraction form
   359,802/774,976.50 = 774,976.50/x
3. Step 3: Cross multiply
   359,802x = 774,976.50 × 774,976.50
4. Step 4: Simplify right side
   359,802x = 600,588,575,552.25
5. Step 5: Solve for x
   x = 600,588,575,552.25/359,802
6. Step 6: Final answer
   x = 1,669,219.67