Finding the Third Proportional to 841,420 and 1,811,144

Step by Step Solution

1. Step 1: Write the proportion equation
   841,420 : 1,811,144 = 1,811,144 : x
2. Step 2: Convert to fraction form
   841,420/1,811,144 = 1,811,144/x
3. Step 3: Cross multiply
   841,420x = 1,811,144 × 1,811,144
4. Step 4: Simplify right side
   841,420x = 3,280,242,588,736
5. Step 5: Solve for x
   x = 3,280,242,588,736/841,420
6. Step 6: Final answer
   x = 3,898,460.45