Finding the Third Proportional to 711,978 and 1,070,992

Step by Step Solution

1. Step 1: Write the proportion equation
   711,978 : 1,070,992 = 1,070,992 : x
2. Step 2: Convert to fraction form
   711,978/1,070,992 = 1,070,992/x
3. Step 3: Cross multiply
   711,978x = 1,070,992 × 1,070,992
4. Step 4: Simplify right side
   711,978x = 1,147,023,864,064
5. Step 5: Solve for x
   x = 1,147,023,864,064/711,978
6. Step 6: Final answer
   x = 1,611,038.35