Finding the Third Proportional to 406,974 and 883,978

Step by Step Solution

1. Step 1: Write the proportion equation
   406,974 : 883,978 = 883,978 : x
2. Step 2: Convert to fraction form
   406,974/883,978 = 883,978/x
3. Step 3: Cross multiply
   406,974x = 883,978 × 883,978
4. Step 4: Simplify right side
   406,974x = 781,417,104,484
5. Step 5: Solve for x
   x = 781,417,104,484/406,974
6. Step 6: Final answer
   x = 1,920,066.40