Finding the Third Proportional to 803,144 and 1,243,596

Step by Step Solution

1. Step 1: Write the proportion equation
   803,144 : 1,243,596 = 1,243,596 : x
2. Step 2: Convert to fraction form
   803,144/1,243,596 = 1,243,596/x
3. Step 3: Cross multiply
   803,144x = 1,243,596 × 1,243,596
4. Step 4: Simplify right side
   803,144x = 1,546,531,011,216
5. Step 5: Solve for x
   x = 1,546,531,011,216/803,144
6. Step 6: Final answer
   x = 1,925,596.17