Finding the Third Proportional to 1,477,704 and 3,191,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477,704 : 3,191,172 = 3,191,172 : x
2. Step 2: Convert to fraction form
   1,477,704/3,191,172 = 3,191,172/x
3. Step 3: Cross multiply
   1,477,704x = 3,191,172 × 3,191,172
4. Step 4: Simplify right side
   1,477,704x = 10,183,578,733,584
5. Step 5: Solve for x
   x = 10,183,578,733,584/1,477,704
6. Step 6: Final answer
   x = 6,891,487.56