Finding the Third Proportional to 356,945.63 and 779,003.16

Step by Step Solution

1. Step 1: Write the proportion equation
   356,945.63 : 779,003.16 = 779,003.16 : x
2. Step 2: Convert to fraction form
   356,945.63/779,003.16 = 779,003.16/x
3. Step 3: Cross multiply
   356,945.63x = 779,003.16 × 779,003.16
4. Step 4: Simplify right side
   356,945.63x = 606,845,917,447.46
5. Step 5: Solve for x
   x = 606,845,917,447.46/356,945.63
6. Step 6: Final answer
   x = 1,700,107.45