Finding the Third Proportional to 899,085 and 1,912,596

Step by Step Solution

1. Step 1: Write the proportion equation
   899,085 : 1,912,596 = 1,912,596 : x
2. Step 2: Convert to fraction form
   899,085/1,912,596 = 1,912,596/x
3. Step 3: Cross multiply
   899,085x = 1,912,596 × 1,912,596
4. Step 4: Simplify right side
   899,085x = 3,658,023,459,216
5. Step 5: Solve for x
   x = 3,658,023,459,216/899,085
6. Step 6: Final answer
   x = 4,068,606.93