Finding the Third Proportional to 359,979 and 773,379.38

Step by Step Solution

1. Step 1: Write the proportion equation
   359,979 : 773,379.38 = 773,379.38 : x
2. Step 2: Convert to fraction form
   359,979/773,379.38 = 773,379.38/x
3. Step 3: Cross multiply
   359,979x = 773,379.38 × 773,379.38
4. Step 4: Simplify right side
   359,979x = 598,115,657,675.39
5. Step 5: Solve for x
   x = 598,115,657,675.39/359,979
6. Step 6: Final answer
   x = 1,661,529.30