Finding the Third Proportional to 1,243,881 and 2,576,322

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,881 : 2,576,322 = 2,576,322 : x
2. Step 2: Convert to fraction form
   1,243,881/2,576,322 = 2,576,322/x
3. Step 3: Cross multiply
   1,243,881x = 2,576,322 × 2,576,322
4. Step 4: Simplify right side
   1,243,881x = 6,637,435,047,684
5. Step 5: Solve for x
   x = 6,637,435,047,684/1,243,881
6. Step 6: Final answer
   x = 5,336,069.16