Finding the Third Proportional to 359,979 and 773,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,979 : 773,379.50 = 773,379.50 : x
2. Step 2: Convert to fraction form
   359,979/773,379.50 = 773,379.50/x
3. Step 3: Cross multiply
   359,979x = 773,379.50 × 773,379.50
4. Step 4: Simplify right side
   359,979x = 598,115,851,020.25
5. Step 5: Solve for x
   x = 598,115,851,020.25/359,979
6. Step 6: Final answer
   x = 1,661,529.84