Finding the Third Proportional to 826,348 and 1,276,890

Step by Step Solution

1. Step 1: Write the proportion equation
   826,348 : 1,276,890 = 1,276,890 : x
2. Step 2: Convert to fraction form
   826,348/1,276,890 = 1,276,890/x
3. Step 3: Cross multiply
   826,348x = 1,276,890 × 1,276,890
4. Step 4: Simplify right side
   826,348x = 1,630,448,072,100
5. Step 5: Solve for x
   x = 1,630,448,072,100/826,348
6. Step 6: Final answer
   x = 1,973,076.81