Finding the Third Proportional to 841,142 and 1,850,503

Step by Step Solution

1. Step 1: Write the proportion equation
   841,142 : 1,850,503 = 1,850,503 : x
2. Step 2: Convert to fraction form
   841,142/1,850,503 = 1,850,503/x
3. Step 3: Cross multiply
   841,142x = 1,850,503 × 1,850,503
4. Step 4: Simplify right side
   841,142x = 3,424,361,353,009
5. Step 5: Solve for x
   x = 3,424,361,353,009/841,142
6. Step 6: Final answer
   x = 4,071,085.92