Finding the Third Proportional to 2,138,291 and 4,653,012

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,291 : 4,653,012 = 4,653,012 : x
2. Step 2: Convert to fraction form
   2,138,291/4,653,012 = 4,653,012/x
3. Step 3: Cross multiply
   2,138,291x = 4,653,012 × 4,653,012
4. Step 4: Simplify right side
   2,138,291x = 21,650,520,672,144
5. Step 5: Solve for x
   x = 21,650,520,672,144/2,138,291
6. Step 6: Final answer
   x = 10,125,151.66