Finding the Third Proportional to 2,430,398 and 5,318,284

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,398 : 5,318,284 = 5,318,284 : x
2. Step 2: Convert to fraction form
   2,430,398/5,318,284 = 5,318,284/x
3. Step 3: Cross multiply
   2,430,398x = 5,318,284 × 5,318,284
4. Step 4: Simplify right side
   2,430,398x = 28,284,144,704,656
5. Step 5: Solve for x
   x = 28,284,144,704,656/2,430,398
6. Step 6: Final answer
   x = 11,637,659.64