Finding the Third Proportional to 1,672,812 and 3,561,408

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,812 : 3,561,408 = 3,561,408 : x
2. Step 2: Convert to fraction form
   1,672,812/3,561,408 = 3,561,408/x
3. Step 3: Cross multiply
   1,672,812x = 3,561,408 × 3,561,408
4. Step 4: Simplify right side
   1,672,812x = 12,683,626,942,464
5. Step 5: Solve for x
   x = 12,683,626,942,464/1,672,812
6. Step 6: Final answer
   x = 7,582,219.01