Finding the Third Proportional to 3,399,427 and 5,271,470

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399,427 : 5,271,470 = 5,271,470 : x
2. Step 2: Convert to fraction form
   3,399,427/5,271,470 = 5,271,470/x
3. Step 3: Cross multiply
   3,399,427x = 5,271,470 × 5,271,470
4. Step 4: Simplify right side
   3,399,427x = 27,788,395,960,900
5. Step 5: Solve for x
   x = 27,788,395,960,900/3,399,427
6. Step 6: Final answer
   x = 8,174,435.27