Finding the Third Proportional to 1,408,505 and 2,113,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408,505 : 2,113,061 = 2,113,061 : x
2. Step 2: Convert to fraction form
   1,408,505/2,113,061 = 2,113,061/x
3. Step 3: Cross multiply
   1,408,505x = 2,113,061 × 2,113,061
4. Step 4: Simplify right side
   1,408,505x = 4,465,026,789,721
5. Step 5: Solve for x
   x = 4,465,026,789,721/1,408,505
6. Step 6: Final answer
   x = 3,170,046.82