Finding the Third Proportional to 2,287,910 and 3,455,312

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287,910 : 3,455,312 = 3,455,312 : x
2. Step 2: Convert to fraction form
   2,287,910/3,455,312 = 3,455,312/x
3. Step 3: Cross multiply
   2,287,910x = 3,455,312 × 3,455,312
4. Step 4: Simplify right side
   2,287,910x = 11,939,181,017,344
5. Step 5: Solve for x
   x = 11,939,181,017,344/2,287,910
6. Step 6: Final answer
   x = 5,218,378.79