Finding the Third Proportional to 647,207 and 1,408,044

Step by Step Solution

1. Step 1: Write the proportion equation
   647,207 : 1,408,044 = 1,408,044 : x
2. Step 2: Convert to fraction form
   647,207/1,408,044 = 1,408,044/x
3. Step 3: Cross multiply
   647,207x = 1,408,044 × 1,408,044
4. Step 4: Simplify right side
   647,207x = 1,982,587,905,936
5. Step 5: Solve for x
   x = 1,982,587,905,936/647,207
6. Step 6: Final answer
   x = 3,063,298.00