Finding the Third Proportional to 507,141 and 789,792

Step by Step Solution

1. Step 1: Write the proportion equation
   507,141 : 789,792 = 789,792 : x
2. Step 2: Convert to fraction form
   507,141/789,792 = 789,792/x
3. Step 3: Cross multiply
   507,141x = 789,792 × 789,792
4. Step 4: Simplify right side
   507,141x = 623,771,403,264
5. Step 5: Solve for x
   x = 623,771,403,264/507,141
6. Step 6: Final answer
   x = 1,229,976.29