Finding the Third Proportional to 1,672,816 and 3,561,416

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,816 : 3,561,416 = 3,561,416 : x
2. Step 2: Convert to fraction form
   1,672,816/3,561,416 = 3,561,416/x
3. Step 3: Cross multiply
   1,672,816x = 3,561,416 × 3,561,416
4. Step 4: Simplify right side
   1,672,816x = 12,683,683,925,056
5. Step 5: Solve for x
   x = 12,683,683,925,056/1,672,816
6. Step 6: Final answer
   x = 7,582,234.94