Finding the Third Proportional to 1,137,912 and 2,431,344

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137,912 : 2,431,344 = 2,431,344 : x
2. Step 2: Convert to fraction form
   1,137,912/2,431,344 = 2,431,344/x
3. Step 3: Cross multiply
   1,137,912x = 2,431,344 × 2,431,344
4. Step 4: Simplify right side
   1,137,912x = 5,911,433,646,336
5. Step 5: Solve for x
   x = 5,911,433,646,336/1,137,912
6. Step 6: Final answer
   x = 5,194,983.13