Finding the Third Proportional to 526,984 and 789,030

Step by Step Solution

1. Step 1: Write the proportion equation
   526,984 : 789,030 = 789,030 : x
2. Step 2: Convert to fraction form
   526,984/789,030 = 789,030/x
3. Step 3: Cross multiply
   526,984x = 789,030 × 789,030
4. Step 4: Simplify right side
   526,984x = 622,568,340,900
5. Step 5: Solve for x
   x = 622,568,340,900/526,984
6. Step 6: Final answer
   x = 1,181,379.97