Finding the Third Proportional to 899,055 and 1,264,680

Step by Step Solution

1. Step 1: Write the proportion equation
   899,055 : 1,264,680 = 1,264,680 : x
2. Step 2: Convert to fraction form
   899,055/1,264,680 = 1,264,680/x
3. Step 3: Cross multiply
   899,055x = 1,264,680 × 1,264,680
4. Step 4: Simplify right side
   899,055x = 1,599,415,502,400
5. Step 5: Solve for x
   x = 1,599,415,502,400/899,055
6. Step 6: Final answer
   x = 1,778,996.28