Finding the Third Proportional to 1,485,808 and 3,256,430

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485,808 : 3,256,430 = 3,256,430 : x
2. Step 2: Convert to fraction form
   1,485,808/3,256,430 = 3,256,430/x
3. Step 3: Cross multiply
   1,485,808x = 3,256,430 × 3,256,430
4. Step 4: Simplify right side
   1,485,808x = 10,604,336,344,900
5. Step 5: Solve for x
   x = 10,604,336,344,900/1,485,808
6. Step 6: Final answer
   x = 7,137,083.89