Finding the Third Proportional to 1,531,816 and 2,146,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,531,816 : 2,146,556 = 2,146,556 : x
2. Step 2: Convert to fraction form
   1,531,816/2,146,556 = 2,146,556/x
3. Step 3: Cross multiply
   1,531,816x = 2,146,556 × 2,146,556
4. Step 4: Simplify right side
   1,531,816x = 4,607,702,661,136
5. Step 5: Solve for x
   x = 4,607,702,661,136/1,531,816
6. Step 6: Final answer
   x = 3,008,000.09