Finding the Third Proportional to 784,976 and 1,243,608

Step by Step Solution

1. Step 1: Write the proportion equation
   784,976 : 1,243,608 = 1,243,608 : x
2. Step 2: Convert to fraction form
   784,976/1,243,608 = 1,243,608/x
3. Step 3: Cross multiply
   784,976x = 1,243,608 × 1,243,608
4. Step 4: Simplify right side
   784,976x = 1,546,560,857,664
5. Step 5: Solve for x
   x = 1,546,560,857,664/784,976
6. Step 6: Final answer
   x = 1,970,201.46