Finding the Third Proportional to 826,486 and 1,277,131

Step by Step Solution

1. Step 1: Write the proportion equation
   826,486 : 1,277,131 = 1,277,131 : x
2. Step 2: Convert to fraction form
   826,486/1,277,131 = 1,277,131/x
3. Step 3: Cross multiply
   826,486x = 1,277,131 × 1,277,131
4. Step 4: Simplify right side
   826,486x = 1,631,063,591,161
5. Step 5: Solve for x
   x = 1,631,063,591,161/826,486
6. Step 6: Final answer
   x = 1,973,492.10