Finding the Third Proportional to 507,142.50 and 789,794

Step by Step Solution

1. Step 1: Write the proportion equation
   507,142.50 : 789,794 = 789,794 : x
2. Step 2: Convert to fraction form
   507,142.50/789,794 = 789,794/x
3. Step 3: Cross multiply
   507,142.50x = 789,794 × 789,794
4. Step 4: Simplify right side
   507,142.50x = 623,774,562,436
5. Step 5: Solve for x
   x = 623,774,562,436/507,142.50
6. Step 6: Final answer
   x = 1,229,978.88