Finding the Third Proportional to 648,658 and 1,419,496.50

Step by Step Solution

1. Step 1: Write the proportion equation
   648,658 : 1,419,496.50 = 1,419,496.50 : x
2. Step 2: Convert to fraction form
   648,658/1,419,496.50 = 1,419,496.50/x
3. Step 3: Cross multiply
   648,658x = 1,419,496.50 × 1,419,496.50
4. Step 4: Simplify right side
   648,658x = 2,014,970,313,512.25
5. Step 5: Solve for x
   x = 2,014,970,313,512.25/648,658
6. Step 6: Final answer
   x = 3,106,367.78