Finding the Third Proportional to 570,862 and 888,978

Step by Step Solution

1. Step 1: Write the proportion equation
   570,862 : 888,978 = 888,978 : x
2. Step 2: Convert to fraction form
   570,862/888,978 = 888,978/x
3. Step 3: Cross multiply
   570,862x = 888,978 × 888,978
4. Step 4: Simplify right side
   570,862x = 790,281,884,484
5. Step 5: Solve for x
   x = 790,281,884,484/570,862
6. Step 6: Final answer
   x = 1,384,365.90