Finding the Third Proportional to 1,281,447 and 2,818,692

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,447 : 2,818,692 = 2,818,692 : x
2. Step 2: Convert to fraction form
   1,281,447/2,818,692 = 2,818,692/x
3. Step 3: Cross multiply
   1,281,447x = 2,818,692 × 2,818,692
4. Step 4: Simplify right side
   1,281,447x = 7,945,024,590,864
5. Step 5: Solve for x
   x = 7,945,024,590,864/1,281,447
6. Step 6: Final answer
   x = 6,200,041.51