Finding the Third Proportional to 3,393,476 and 7,272,718

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393,476 : 7,272,718 = 7,272,718 : x
2. Step 2: Convert to fraction form
   3,393,476/7,272,718 = 7,272,718/x
3. Step 3: Cross multiply
   3,393,476x = 7,272,718 × 7,272,718
4. Step 4: Simplify right side
   3,393,476x = 52,892,427,107,524
5. Step 5: Solve for x
   x = 52,892,427,107,524/3,393,476
6. Step 6: Final answer
   x = 15,586,503.96