Finding the Third Proportional to 1,161,990 and 2,516,928

Step by Step Solution

1. Step 1: Write the proportion equation
   1,161,990 : 2,516,928 = 2,516,928 : x
2. Step 2: Convert to fraction form
   1,161,990/2,516,928 = 2,516,928/x
3. Step 3: Cross multiply
   1,161,990x = 2,516,928 × 2,516,928
4. Step 4: Simplify right side
   1,161,990x = 6,334,926,557,184
5. Step 5: Solve for x
   x = 6,334,926,557,184/1,161,990
6. Step 6: Final answer
   x = 5,451,790.94