Finding the Third Proportional to 648,657 and 1,419,494.25

Step by Step Solution

1. Step 1: Write the proportion equation
   648,657 : 1,419,494.25 = 1,419,494.25 : x
2. Step 2: Convert to fraction form
   648,657/1,419,494.25 = 1,419,494.25/x
3. Step 3: Cross multiply
   648,657x = 1,419,494.25 × 1,419,494.25
4. Step 4: Simplify right side
   648,657x = 2,014,963,925,783.06
5. Step 5: Solve for x
   x = 2,014,963,925,783.06/648,657
6. Step 6: Final answer
   x = 3,106,362.72