Finding the Third Proportional to 1,546,688 and 2,178,112

Step by Step Solution

1. Step 1: Write the proportion equation
   1,546,688 : 2,178,112 = 2,178,112 : x
2. Step 2: Convert to fraction form
   1,546,688/2,178,112 = 2,178,112/x
3. Step 3: Cross multiply
   1,546,688x = 2,178,112 × 2,178,112
4. Step 4: Simplify right side
   1,546,688x = 4,744,171,884,544
5. Step 5: Solve for x
   x = 4,744,171,884,544/1,546,688
6. Step 6: Final answer
   x = 3,067,310.20