Finding the Third Proportional to 899,102 and 1,912,617

Step by Step Solution

1. Step 1: Write the proportion equation
   899,102 : 1,912,617 = 1,912,617 : x
2. Step 2: Convert to fraction form
   899,102/1,912,617 = 1,912,617/x
3. Step 3: Cross multiply
   899,102x = 1,912,617 × 1,912,617
4. Step 4: Simplify right side
   899,102x = 3,658,103,788,689
5. Step 5: Solve for x
   x = 3,658,103,788,689/899,102
6. Step 6: Final answer
   x = 4,068,619.34