Finding the Third Proportional to 1,474,322 and 3,215,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,474,322 : 3,215,428 = 3,215,428 : x
2. Step 2: Convert to fraction form
   1,474,322/3,215,428 = 3,215,428/x
3. Step 3: Cross multiply
   1,474,322x = 3,215,428 × 3,215,428
4. Step 4: Simplify right side
   1,474,322x = 10,338,977,223,184
5. Step 5: Solve for x
   x = 10,338,977,223,184/1,474,322
6. Step 6: Final answer
   x = 7,012,699.55