Finding the Third Proportional to 4,342,968 and 8,576,940

Step by Step Solution

1. Step 1: Write the proportion equation
   4,342,968 : 8,576,940 = 8,576,940 : x
2. Step 2: Convert to fraction form
   4,342,968/8,576,940 = 8,576,940/x
3. Step 3: Cross multiply
   4,342,968x = 8,576,940 × 8,576,940
4. Step 4: Simplify right side
   4,342,968x = 73,563,899,763,600
5. Step 5: Solve for x
   x = 73,563,899,763,600/4,342,968
6. Step 6: Final answer
   x = 16,938,623.49