Finding the Third Proportional to 899,914 and 1,265,672

Step by Step Solution

1. Step 1: Write the proportion equation
   899,914 : 1,265,672 = 1,265,672 : x
2. Step 2: Convert to fraction form
   899,914/1,265,672 = 1,265,672/x
3. Step 3: Cross multiply
   899,914x = 1,265,672 × 1,265,672
4. Step 4: Simplify right side
   899,914x = 1,601,925,611,584
5. Step 5: Solve for x
   x = 1,601,925,611,584/899,914
6. Step 6: Final answer
   x = 1,780,087.44