Finding the Third Proportional to 788,642 and 1,181,630

Step by Step Solution

1. Step 1: Write the proportion equation
   788,642 : 1,181,630 = 1,181,630 : x
2. Step 2: Convert to fraction form
   788,642/1,181,630 = 1,181,630/x
3. Step 3: Cross multiply
   788,642x = 1,181,630 × 1,181,630
4. Step 4: Simplify right side
   788,642x = 1,396,249,456,900
5. Step 5: Solve for x
   x = 1,396,249,456,900/788,642
6. Step 6: Final answer
   x = 1,770,447.75