Finding the Third Proportional to 562,626 and 803,978

Step by Step Solution

1. Step 1: Write the proportion equation
   562,626 : 803,978 = 803,978 : x
2. Step 2: Convert to fraction form
   562,626/803,978 = 803,978/x
3. Step 3: Cross multiply
   562,626x = 803,978 × 803,978
4. Step 4: Simplify right side
   562,626x = 646,380,624,484
5. Step 5: Solve for x
   x = 646,380,624,484/562,626
6. Step 6: Final answer
   x = 1,148,863.76