Finding the Third Proportional to 1,531,685 and 2,146,404

Step by Step Solution

1. Step 1: Write the proportion equation
   1,531,685 : 2,146,404 = 2,146,404 : x
2. Step 2: Convert to fraction form
   1,531,685/2,146,404 = 2,146,404/x
3. Step 3: Cross multiply
   1,531,685x = 2,146,404 × 2,146,404
4. Step 4: Simplify right side
   1,531,685x = 4,607,050,131,216
5. Step 5: Solve for x
   x = 4,607,050,131,216/1,531,685
6. Step 6: Final answer
   x = 3,007,831.33