Finding the Third Proportional to 3,473,322 and 7,405,428

Step by Step Solution

1. Step 1: Write the proportion equation
   3,473,322 : 7,405,428 = 7,405,428 : x
2. Step 2: Convert to fraction form
   3,473,322/7,405,428 = 7,405,428/x
3. Step 3: Cross multiply
   3,473,322x = 7,405,428 × 7,405,428
4. Step 4: Simplify right side
   3,473,322x = 54,840,363,863,184
5. Step 5: Solve for x
   x = 54,840,363,863,184/3,473,322
6. Step 6: Final answer
   x = 15,789,023.84