Finding the Third Proportional to 4,369,420 and 8,948,792

Step by Step Solution

1. Step 1: Write the proportion equation
   4,369,420 : 8,948,792 = 8,948,792 : x
2. Step 2: Convert to fraction form
   4,369,420/8,948,792 = 8,948,792/x
3. Step 3: Cross multiply
   4,369,420x = 8,948,792 × 8,948,792
4. Step 4: Simplify right side
   4,369,420x = 80,080,878,259,264
5. Step 5: Solve for x
   x = 80,080,878,259,264/4,369,420
6. Step 6: Final answer
   x = 18,327,576.26