Finding the Third Proportional to 553,081 and 1,181,978

Step by Step Solution

1. Step 1: Write the proportion equation
   553,081 : 1,181,978 = 1,181,978 : x
2. Step 2: Convert to fraction form
   553,081/1,181,978 = 1,181,978/x
3. Step 3: Cross multiply
   553,081x = 1,181,978 × 1,181,978
4. Step 4: Simplify right side
   553,081x = 1,397,071,992,484
5. Step 5: Solve for x
   x = 1,397,071,992,484/553,081
6. Step 6: Final answer
   x = 2,525,980.81