Finding the Third Proportional to 243,062 and 380,424

Step by Step Solution

1. Step 1: Write the proportion equation
   243,062 : 380,424 = 380,424 : x
2. Step 2: Convert to fraction form
   243,062/380,424 = 380,424/x
3. Step 3: Cross multiply
   243,062x = 380,424 × 380,424
4. Step 4: Simplify right side
   243,062x = 144,722,419,776
5. Step 5: Solve for x
   x = 144,722,419,776/243,062
6. Step 6: Final answer
   x = 595,413.60