Finding the Third Proportional to 824,538 and 1,261,328

Step by Step Solution

1. Step 1: Write the proportion equation
   824,538 : 1,261,328 = 1,261,328 : x
2. Step 2: Convert to fraction form
   824,538/1,261,328 = 1,261,328/x
3. Step 3: Cross multiply
   824,538x = 1,261,328 × 1,261,328
4. Step 4: Simplify right side
   824,538x = 1,590,948,323,584
5. Step 5: Solve for x
   x = 1,590,948,323,584/824,538
6. Step 6: Final answer
   x = 1,929,502.73