Finding the Third Proportional to 374,058 and 774,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,058 : 774,724.50 = 774,724.50 : x
2. Step 2: Convert to fraction form
   374,058/774,724.50 = 774,724.50/x
3. Step 3: Cross multiply
   374,058x = 774,724.50 × 774,724.50
4. Step 4: Simplify right side
   374,058x = 600,198,050,900.25
5. Step 5: Solve for x
   x = 600,198,050,900.25/374,058
6. Step 6: Final answer
   x = 1,604,558.79