Finding the Third Proportional to 910,649 and 1,336,449

Step by Step Solution

1. Step 1: Write the proportion equation
   910,649 : 1,336,449 = 1,336,449 : x
2. Step 2: Convert to fraction form
   910,649/1,336,449 = 1,336,449/x
3. Step 3: Cross multiply
   910,649x = 1,336,449 × 1,336,449
4. Step 4: Simplify right side
   910,649x = 1,786,095,929,601
5. Step 5: Solve for x
   x = 1,786,095,929,601/910,649
6. Step 6: Final answer
   x = 1,961,343.98