Finding the Third Proportional to 998,154 and 2,164,458

Step by Step Solution

1. Step 1: Write the proportion equation
   998,154 : 2,164,458 = 2,164,458 : x
2. Step 2: Convert to fraction form
   998,154/2,164,458 = 2,164,458/x
3. Step 3: Cross multiply
   998,154x = 2,164,458 × 2,164,458
4. Step 4: Simplify right side
   998,154x = 4,684,878,433,764
5. Step 5: Solve for x
   x = 4,684,878,433,764/998,154
6. Step 6: Final answer
   x = 4,693,542.71