Finding the Third Proportional to 840,900 and 1,838,292

Step by Step Solution

1. Step 1: Write the proportion equation
   840,900 : 1,838,292 = 1,838,292 : x
2. Step 2: Convert to fraction form
   840,900/1,838,292 = 1,838,292/x
3. Step 3: Cross multiply
   840,900x = 1,838,292 × 1,838,292
4. Step 4: Simplify right side
   840,900x = 3,379,317,477,264
5. Step 5: Solve for x
   x = 3,379,317,477,264/840,900
6. Step 6: Final answer
   x = 4,018,691.26