Finding the Third Proportional to 908,814 and 1,911,642

Step by Step Solution

1. Step 1: Write the proportion equation
   908,814 : 1,911,642 = 1,911,642 : x
2. Step 2: Convert to fraction form
   908,814/1,911,642 = 1,911,642/x
3. Step 3: Cross multiply
   908,814x = 1,911,642 × 1,911,642
4. Step 4: Simplify right side
   908,814x = 3,654,375,136,164
5. Step 5: Solve for x
   x = 3,654,375,136,164/908,814
6. Step 6: Final answer
   x = 4,021,037.46