Finding the Third Proportional to 817,864 and 1,241,510

Step by Step Solution

1. Step 1: Write the proportion equation
   817,864 : 1,241,510 = 1,241,510 : x
2. Step 2: Convert to fraction form
   817,864/1,241,510 = 1,241,510/x
3. Step 3: Cross multiply
   817,864x = 1,241,510 × 1,241,510
4. Step 4: Simplify right side
   817,864x = 1,541,347,080,100
5. Step 5: Solve for x
   x = 1,541,347,080,100/817,864
6. Step 6: Final answer
   x = 1,884,600.72