Finding the Third Proportional to 1,916,874 and 2,910,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916,874 : 2,910,312 = 2,910,312 : x
2. Step 2: Convert to fraction form
   1,916,874/2,910,312 = 2,910,312/x
3. Step 3: Cross multiply
   1,916,874x = 2,910,312 × 2,910,312
4. Step 4: Simplify right side
   1,916,874x = 8,469,915,937,344
5. Step 5: Solve for x
   x = 8,469,915,937,344/1,916,874
6. Step 6: Final answer
   x = 4,418,608.60