Finding the Third Proportional to 1,309,672 and 2,820,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,672 : 2,820,864 = 2,820,864 : x
2. Step 2: Convert to fraction form
   1,309,672/2,820,864 = 2,820,864/x
3. Step 3: Cross multiply
   1,309,672x = 2,820,864 × 2,820,864
4. Step 4: Simplify right side
   1,309,672x = 7,957,273,706,496
5. Step 5: Solve for x
   x = 7,957,273,706,496/1,309,672
6. Step 6: Final answer
   x = 6,075,776.00