Finding the Third Proportional to 2,127,979 and 3,387,672

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127,979 : 3,387,672 = 3,387,672 : x
2. Step 2: Convert to fraction form
   2,127,979/3,387,672 = 3,387,672/x
3. Step 3: Cross multiply
   2,127,979x = 3,387,672 × 3,387,672
4. Step 4: Simplify right side
   2,127,979x = 11,476,321,579,584
5. Step 5: Solve for x
   x = 11,476,321,579,584/2,127,979
6. Step 6: Final answer
   x = 5,393,061.48