Finding the Third Proportional to 5,874,398 and 8,980,440

Step by Step Solution

1. Step 1: Write the proportion equation
   5,874,398 : 8,980,440 = 8,980,440 : x
2. Step 2: Convert to fraction form
   5,874,398/8,980,440 = 8,980,440/x
3. Step 3: Cross multiply
   5,874,398x = 8,980,440 × 8,980,440
4. Step 4: Simplify right side
   5,874,398x = 80,648,302,593,600
5. Step 5: Solve for x
   x = 80,648,302,593,600/5,874,398
6. Step 6: Final answer
   x = 13,728,777.42