Finding the Third Proportional to 647,204.63 and 1,408,039.31

Step by Step Solution

1. Step 1: Write the proportion equation
   647,204.63 : 1,408,039.31 = 1,408,039.31 : x
2. Step 2: Convert to fraction form
   647,204.63/1,408,039.31 = 1,408,039.31/x
3. Step 3: Cross multiply
   647,204.63x = 1,408,039.31 × 1,408,039.31
4. Step 4: Simplify right side
   647,204.63x = 1,982,574,705,545.47
5. Step 5: Solve for x
   x = 1,982,574,705,545.47/647,204.63
6. Step 6: Final answer
   x = 3,063,288.84