Finding the Third Proportional to 2,648,837 and 5,721,061

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,837 : 5,721,061 = 5,721,061 : x
2. Step 2: Convert to fraction form
   2,648,837/5,721,061 = 5,721,061/x
3. Step 3: Cross multiply
   2,648,837x = 5,721,061 × 5,721,061
4. Step 4: Simplify right side
   2,648,837x = 32,730,538,965,721
5. Step 5: Solve for x
   x = 32,730,538,965,721/2,648,837
6. Step 6: Final answer
   x = 12,356,569.68