Finding the Third Proportional to 3,399,429 and 5,271,473

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399,429 : 5,271,473 = 5,271,473 : x
2. Step 2: Convert to fraction form
   3,399,429/5,271,473 = 5,271,473/x
3. Step 3: Cross multiply
   3,399,429x = 5,271,473 × 5,271,473
4. Step 4: Simplify right side
   3,399,429x = 27,788,427,589,729
5. Step 5: Solve for x
   x = 27,788,427,589,729/3,399,429
6. Step 6: Final answer
   x = 8,174,439.76