Finding the Third Proportional to 1,807,881 and 2,647,129

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807,881 : 2,647,129 = 2,647,129 : x
2. Step 2: Convert to fraction form
   1,807,881/2,647,129 = 2,647,129/x
3. Step 3: Cross multiply
   1,807,881x = 2,647,129 × 2,647,129
4. Step 4: Simplify right side
   1,807,881x = 7,007,291,942,641
5. Step 5: Solve for x
   x = 7,007,291,942,641/1,807,881
6. Step 6: Final answer
   x = 3,875,969.68