Finding the Third Proportional to 507,804 and 788,822

Step by Step Solution

1. Step 1: Write the proportion equation
   507,804 : 788,822 = 788,822 : x
2. Step 2: Convert to fraction form
   507,804/788,822 = 788,822/x
3. Step 3: Cross multiply
   507,804x = 788,822 × 788,822
4. Step 4: Simplify right side
   507,804x = 622,240,147,684
5. Step 5: Solve for x
   x = 622,240,147,684/507,804
6. Step 6: Final answer
   x = 1,225,354.96