Finding the Third Proportional to 1,421,506 and 3,355,693

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,506 : 3,355,693 = 3,355,693 : x
2. Step 2: Convert to fraction form
   1,421,506/3,355,693 = 3,355,693/x
3. Step 3: Cross multiply
   1,421,506x = 3,355,693 × 3,355,693
4. Step 4: Simplify right side
   1,421,506x = 11,260,675,510,249
5. Step 5: Solve for x
   x = 11,260,675,510,249/1,421,506
6. Step 6: Final answer
   x = 7,921,651.76