Finding the Third Proportional to 998,460 and 2,154,372

Step by Step Solution

1. Step 1: Write the proportion equation
   998,460 : 2,154,372 = 2,154,372 : x
2. Step 2: Convert to fraction form
   998,460/2,154,372 = 2,154,372/x
3. Step 3: Cross multiply
   998,460x = 2,154,372 × 2,154,372
4. Step 4: Simplify right side
   998,460x = 4,641,318,714,384
5. Step 5: Solve for x
   x = 4,641,318,714,384/998,460
6. Step 6: Final answer
   x = 4,648,477.37