Finding the Third Proportional to 829,738 and 1,281,456

Step by Step Solution

1. Step 1: Write the proportion equation
   829,738 : 1,281,456 = 1,281,456 : x
2. Step 2: Convert to fraction form
   829,738/1,281,456 = 1,281,456/x
3. Step 3: Cross multiply
   829,738x = 1,281,456 × 1,281,456
4. Step 4: Simplify right side
   829,738x = 1,642,129,479,936
5. Step 5: Solve for x
   x = 1,642,129,479,936/829,738
6. Step 6: Final answer
   x = 1,979,093.98