Finding the Third Proportional to 899,215 and 1,881,561

Step by Step Solution

1. Step 1: Write the proportion equation
   899,215 : 1,881,561 = 1,881,561 : x
2. Step 2: Convert to fraction form
   899,215/1,881,561 = 1,881,561/x
3. Step 3: Cross multiply
   899,215x = 1,881,561 × 1,881,561
4. Step 4: Simplify right side
   899,215x = 3,540,271,796,721
5. Step 5: Solve for x
   x = 3,540,271,796,721/899,215
6. Step 6: Final answer
   x = 3,937,069.33