Finding the Third Proportional to 355,341.38 and 777,114

Step by Step Solution

1. Step 1: Write the proportion equation
   355,341.38 : 777,114 = 777,114 : x
2. Step 2: Convert to fraction form
   355,341.38/777,114 = 777,114/x
3. Step 3: Cross multiply
   355,341.38x = 777,114 × 777,114
4. Step 4: Simplify right side
   355,341.38x = 603,906,168,996
5. Step 5: Solve for x
   x = 603,906,168,996/355,341.38
6. Step 6: Final answer
   x = 1,699,509.86