Finding the Third Proportional to 823,938 and 1,275,111

Step by Step Solution

1. Step 1: Write the proportion equation
   823,938 : 1,275,111 = 1,275,111 : x
2. Step 2: Convert to fraction form
   823,938/1,275,111 = 1,275,111/x
3. Step 3: Cross multiply
   823,938x = 1,275,111 × 1,275,111
4. Step 4: Simplify right side
   823,938x = 1,625,908,062,321
5. Step 5: Solve for x
   x = 1,625,908,062,321/823,938
6. Step 6: Final answer
   x = 1,973,337.88