Finding the Third Proportional to 1,817,811 and 2,818,580

Step by Step Solution

1. Step 1: Write the proportion equation
   1,817,811 : 2,818,580 = 2,818,580 : x
2. Step 2: Convert to fraction form
   1,817,811/2,818,580 = 2,818,580/x
3. Step 3: Cross multiply
   1,817,811x = 2,818,580 × 2,818,580
4. Step 4: Simplify right side
   1,817,811x = 7,944,393,216,400
5. Step 5: Solve for x
   x = 7,944,393,216,400/1,817,811
6. Step 6: Final answer
   x = 4,370,307.59