Finding the Third Proportional to 1,531,688 and 2,146,406

Step by Step Solution

1. Step 1: Write the proportion equation
   1,531,688 : 2,146,406 = 2,146,406 : x
2. Step 2: Convert to fraction form
   1,531,688/2,146,406 = 2,146,406/x
3. Step 3: Cross multiply
   1,531,688x = 2,146,406 × 2,146,406
4. Step 4: Simplify right side
   1,531,688x = 4,607,058,716,836
5. Step 5: Solve for x
   x = 4,607,058,716,836/1,531,688
6. Step 6: Final answer
   x = 3,007,831.04