Finding the Third Proportional to 838,454 and 1,809,700

Step by Step Solution

1. Step 1: Write the proportion equation
   838,454 : 1,809,700 = 1,809,700 : x
2. Step 2: Convert to fraction form
   838,454/1,809,700 = 1,809,700/x
3. Step 3: Cross multiply
   838,454x = 1,809,700 × 1,809,700
4. Step 4: Simplify right side
   838,454x = 3,275,014,090,000
5. Step 5: Solve for x
   x = 3,275,014,090,000/838,454
6. Step 6: Final answer
   x = 3,906,015.23