Finding the Third Proportional to 834,213 and 1,821,333

Step by Step Solution

1. Step 1: Write the proportion equation
   834,213 : 1,821,333 = 1,821,333 : x
2. Step 2: Convert to fraction form
   834,213/1,821,333 = 1,821,333/x
3. Step 3: Cross multiply
   834,213x = 1,821,333 × 1,821,333
4. Step 4: Simplify right side
   834,213x = 3,317,253,896,889
5. Step 5: Solve for x
   x = 3,317,253,896,889/834,213
6. Step 6: Final answer
   x = 3,976,507.08