Finding the Third Proportional to 1,672,808 and 3,561,397

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,808 : 3,561,397 = 3,561,397 : x
2. Step 2: Convert to fraction form
   1,672,808/3,561,397 = 3,561,397/x
3. Step 3: Cross multiply
   1,672,808x = 3,561,397 × 3,561,397
4. Step 4: Simplify right side
   1,672,808x = 12,683,548,591,609
5. Step 5: Solve for x
   x = 12,683,548,591,609/1,672,808
6. Step 6: Final answer
   x = 7,582,190.30