Finding the Third Proportional to 1,098,168 and 2,406,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,168 : 2,406,288 = 2,406,288 : x
2. Step 2: Convert to fraction form
   1,098,168/2,406,288 = 2,406,288/x
3. Step 3: Cross multiply
   1,098,168x = 2,406,288 × 2,406,288
4. Step 4: Simplify right side
   1,098,168x = 5,790,221,938,944
5. Step 5: Solve for x
   x = 5,790,221,938,944/1,098,168
6. Step 6: Final answer
   x = 5,272,619.43