Finding the Third Proportional to 899,212 and 1,881,557

Step by Step Solution

1. Step 1: Write the proportion equation
   899,212 : 1,881,557 = 1,881,557 : x
2. Step 2: Convert to fraction form
   899,212/1,881,557 = 1,881,557/x
3. Step 3: Cross multiply
   899,212x = 1,881,557 × 1,881,557
4. Step 4: Simplify right side
   899,212x = 3,540,256,744,249
5. Step 5: Solve for x
   x = 3,540,256,744,249/899,212
6. Step 6: Final answer
   x = 3,937,065.72