Finding the Third Proportional to 648,811.50 and 1,419,812

Step by Step Solution

1. Step 1: Write the proportion equation
   648,811.50 : 1,419,812 = 1,419,812 : x
2. Step 2: Convert to fraction form
   648,811.50/1,419,812 = 1,419,812/x
3. Step 3: Cross multiply
   648,811.50x = 1,419,812 × 1,419,812
4. Step 4: Simplify right side
   648,811.50x = 2,015,866,115,344
5. Step 5: Solve for x
   x = 2,015,866,115,344/648,811.50
6. Step 6: Final answer
   x = 3,107,013.54