Finding the Third Proportional to 840,910 and 1,838,312

Step by Step Solution

1. Step 1: Write the proportion equation
   840,910 : 1,838,312 = 1,838,312 : x
2. Step 2: Convert to fraction form
   840,910/1,838,312 = 1,838,312/x
3. Step 3: Cross multiply
   840,910x = 1,838,312 × 1,838,312
4. Step 4: Simplify right side
   840,910x = 3,379,391,009,344
5. Step 5: Solve for x
   x = 3,379,391,009,344/840,910
6. Step 6: Final answer
   x = 4,018,730.91