Finding the Third Proportional to 1,137,144 and 2,451,426

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137,144 : 2,451,426 = 2,451,426 : x
2. Step 2: Convert to fraction form
   1,137,144/2,451,426 = 2,451,426/x
3. Step 3: Cross multiply
   1,137,144x = 2,451,426 × 2,451,426
4. Step 4: Simplify right side
   1,137,144x = 6,009,489,433,476
5. Step 5: Solve for x
   x = 6,009,489,433,476/1,137,144
6. Step 6: Final answer
   x = 5,284,721.58