Finding the Third Proportional to 562,978 and 873,030

Step by Step Solution

1. Step 1: Write the proportion equation
   562,978 : 873,030 = 873,030 : x
2. Step 2: Convert to fraction form
   562,978/873,030 = 873,030/x
3. Step 3: Cross multiply
   562,978x = 873,030 × 873,030
4. Step 4: Simplify right side
   562,978x = 762,181,380,900
5. Step 5: Solve for x
   x = 762,181,380,900/562,978
6. Step 6: Final answer
   x = 1,353,838.66