Finding the Third Proportional to 2,146,180 and 4,548,239

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,180 : 4,548,239 = 4,548,239 : x
2. Step 2: Convert to fraction form
   2,146,180/4,548,239 = 4,548,239/x
3. Step 3: Cross multiply
   2,146,180x = 4,548,239 × 4,548,239
4. Step 4: Simplify right side
   2,146,180x = 20,686,478,001,121
5. Step 5: Solve for x
   x = 20,686,478,001,121/2,146,180
6. Step 6: Final answer
   x = 9,638,743.26