Finding the Third Proportional to 2,127,500 and 4,609,456

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127,500 : 4,609,456 = 4,609,456 : x
2. Step 2: Convert to fraction form
   2,127,500/4,609,456 = 4,609,456/x
3. Step 3: Cross multiply
   2,127,500x = 4,609,456 × 4,609,456
4. Step 4: Simplify right side
   2,127,500x = 21,247,084,615,936
5. Step 5: Solve for x
   x = 21,247,084,615,936/2,127,500
6. Step 6: Final answer
   x = 9,986,878.79